Items where Author is "Purwaningrum, Widia"
Article
Hasanudin, Hasanudin and Asri, Wan Ryan and Permatahati, Utari and Purwaningrum, Widia and Hadiah, Fitri and Maryana, Roni and Al Muttaqii, Muhammad and Hendri, Muhammad (2023) Conversion of crude palm oil to biofuels via catalytic hydrocracking over NiN-supported natural bentonite. AIMS Energy, 11 (2). pp. 197-212. ISSN 2470-1343
Hasanudin, Hasanudin and ASRI, WAN RYAN and Purwaningrum, Widia and Riyanti, Fahma and Novia, Novia and Maryana, Roni and Al Muttaqii, Muhammad (2022) Kinetic Parameters Investigation for The Esterification of Free Fatty Acid from Coconut Oil Mill Waste using Montmorillonite-Sulfonated Carbon from Glucose Composite Catalyst. Molekul, 17 (3). pp. 355-364. ISSN 1907-9761
Purwaningrum, Widia and Hasanudin, Hasanudin and Rachmat, Addy and Riyanti, Fahma and Hariani, Poedji Loekitowati (2022) Modification of Calcium Oxide from Green Mussel Shell with Iron Oxide as a Potential Adsorbent for the Removal of Iron and Manganese Ions from Acid Mine Drainage. Journal of Ecological Engineering, 23 (11). pp. 188-201. ISSN 2299-8993
Hasanudin, Hasanudin and ASRI, WAN RYAN and Said, Muhammad and HIDAYATI, PUTRI TAMARA and Purwaningrum, Widia and Novia, Novia and Wijaya, Karna (2022) Hydrocracking optimization of palm oil to bio-gasoline and bio-aviation fuels using molybdenum nitride-bentonite catalyst. RSC Advances, 12 (26). pp. 16431-16443. ISSN 2046-2069
Hasanudin, Hasanudin and ASRI, WAN RYAN and TAMPUBOLON, KRISTINA and Riyanti, Fahma and Purwaningrum, Widia and Wijaya, Karna (2022) Dehydration Isopropyl Alcohol to Diisopropyl Ether over Molybdenum Phosphide Pillared Bentonite. Pertanika Journal of Science & Technology, 30 (2). pp. 1739-1754. ISSN 0128-7680
Riyanti, Fahma and Hariani, Poedji Loekitowati and Purwaningrum, Widia (2017) Adsorption Of Rhodamine B From Aqueous Solution By MnFe2O4 Nanomagnetic. Adsorption Of Rhodamine B From Aqueous Solution By MnFe2O4 Nanomagnetic, 37 (1). pp. 97-104. ISSN 0257–8050
Riyanti, Fahma and Hariani, Poedji Loekitowati and Purwaningrum, Widia (2017) Adsorption Of Rhodamine B From Aqueous Solution By MnFe2O4 Nanomagnetic. Adsorption Of Rhodamine B From Aqueous Solution By MnFe2O4 Nanomagnetic, 37 (1). pp. 97-104. ISSN 0257–8050
Muharni, Muharni and Fitrya, Fitrya and Purwaningrum, Widia and Nugraha, Ahmad Yogi (2016) Secondary Metabolite from Endophytic Fungi Aspergillus Sp. The Leave of Kunyit Putih (Curcuma Zedoaria (Berg) Roscoe. Molekul, 11 (1). pp. 125-134. ISSN 2503-0310
Monograph
Riyanti, Fahma and Hariani, Poedji Loekitowati and Purwaningrum, Widia Peer Review Adsorption of Rhodamine B from Aqueous Solution by MnFe2O4 Nanomagnetic. Other. EM International, India.
Thesis
FAZURAH, MAZNAH and Purwaningrum, Widia (2024) PENGARUH PERBANDINGAN BERAT SDS TERHADAP KINERJA KOMPOSIT Fe3O4-SDS UNTUK ADSORPSI CONGO RED. Undergraduate thesis, Sriwijaya University.
SARIFAH, AISYAH and Purwaningrum, Widia (2024) SINTESIS KOMPOSIT Fe3O4-SDS SEBAGAI ADSORBEN UNTUK ADSORPSI ZAT WARNA CONGO RED. Undergraduate thesis, Sriwijaya University.
PERDANA, RAFFI and Purwaningrum, Widia (2024) SINTESIS CaO dan CaO/SDS DARI CANGKANG TELUR AYAM UNTUK MENGADSORPSI ZAT WARNA CONGO RED. Undergraduate thesis, Sriwijaya University.
ALI, SHOREA SUHYUNI and Purwaningrum, Widia (2024) SINTESIS CaO/PDA DAN APLIKASINYA PADA ADSORPSI ZAT WARNA METILEN BIRU. Undergraduate thesis, Sriwijaya University.
PULBA, RYZVHA ANDINI KENCANA and Mara, Ady and Purwaningrum, Widia (2023) PEMBUATAN BIOBRIKET DARI TEMPURUNG DAN SABUT KELAPA MENGGUNAKAN PEREKAT KULIT PISANG KEPOK DAN TAPIOKA DENGAN KONSENTRASI ASAM SULFAT. Undergraduate thesis, Sriwijaya University.
MARDIANA, NENENG and Purwaningrum, Widia (2023) SINTESIS KOMPOSIT NANOPARTIKEL CaO/PDA (Polydopamine) DARI CANGKANG TELUR AYAM DAN APLIKASINYA PADA ADSORPSI ZAT WARNA CONGO RED. Undergraduate thesis, Sriwijaya University.
HUTABARAT, BRAHMA HAKIM YUANDA and Purwaningrum, Widia and Yohandini, Heni (2023) SINTESIS KOMPOSIT NANOPARTIKEL Fe3O4/SDS SEBAGAI ADSORBEN UNTUK MENGADSORPSI METILEN BIRU. Undergraduate thesis, Sriwijaya University.
MANURUNG, YOLANDA FANY CLAUDIA and Purwaningrum, Widia (2023) SINTESIS CaO DARI CANGKANG TELUR PUYUH MELALUI METODE PRESIPITASI SEBAGAI ADSORBEN ZAT WARNA METILEN BIRU. Undergraduate thesis, Sriwijaya University.
NURHASANAH, FEBY and Mara, Ady and Purwaningrum, Widia (2023) PEMBUATAN ADSORBEN TEMPURUNG KELAPA SAWIT SEBAGAI PENYERAP TIMBAL (Pb) DENGAN VARIASI pH DAN KONSENTRASI LARUTAN. Undergraduate thesis, Sriwijaya University.
BERLIANI, ANDINI and Hasanudin, Hasanudin and Purwaningrum, Widia (2023) MODIFIKASI SILIKA DENGAN KHFTALAT SEBAGAI MATERIAL PENGEMBAN KATALIS ZrS DAN APLIKASINYA PADA HYDROCRACKING CPO MENJADI BIOFUEL. Undergraduate thesis, Sriwijaya University.
ANNISA, LIDYA and Julinar, Julinar and Purwaningrum, Widia (2022) PENGARUH PENAMBAHAN INDUSER TERHADAP ENZIM AZOREDUKTASE EKSTRASELULER DARI BAKTERI AEROMONAS JENDAEI. Undergraduate thesis, Sriwijaya University.
SAFIRA, VIKA PUTRI and Purwaningrum, Widia (2022) SINTESIS KOMPOSIT CaO/Fe3O4 DAN APLIKASINYA UNTUK ADSORPSI ZAT WARNA CONGO RED. Undergraduate thesis, Sriwijaya University.
ULANDARI, DINDA and Purwaningrum, Widia (2022) SINTESIS CaO/Fe3O4 DARI CANGKANG BEKICOT (ACHATINA FULICA) UNTUK ADSORPSI ZAT WARNA METILEN BIRU. Undergraduate thesis, Sriwijaya University.
CHODIJAH, SITI and Purwaningrum, Widia and Hariani, Poedji Loekitowati (2022) SINTESIS KOMPOSIT CaO/Fe3O4 UNTUK ADSORPSI ZAT WARNA PROCION RED MX-5B. Undergraduate thesis, Universitas Sriwijaya.
SARANI, DINI APRILIN AYU and Purwaningrum, Widia and Miksusanti, Miksusanti (2022) PEMBUATAN ARANG AKTIF GAMBUT UNTUK ADSORPSI METILEN BIRU. Undergraduate thesis, Universitas Sriwijaya.
ANGGRAINI, PUTRI SARI and Said, Muhammad and Purwaningrum, Widia (2022) SINTESIS KOMPOSIT SnO2/ZnO DAN APLIKASINYA PADA FOTODEGRADASI ZAT WARNA REMAZOL RED RB. Undergraduate thesis, Sriwijaya University.
PUTRI, MELSY PEBIANTI and Said, Muhammad and Purwaningrum, Widia (2022) SINTESIS DAN KARAKTERISASI KOMPOSIT ZnO/Fe2O3 SERTA APLIKASINYA UNTUK FOTODEGRADASI ZAT WARNA METILEN BIRU. Undergraduate thesis, Sriwijaya University.
ASTRI, NUR and Hermansyah, Hermansyah and Purwaningrum, Widia (2021) ISOLASI YEAST DARI AIR KELAPA YANG DIGUNAKAN SEBAGAI AGEN MIKROBA PADA FERMENTASI SUBSTRAT GLUKOSA, XILOSA DAN ARABINOSA MENGHASILKAN ETANOL. Undergraduate thesis, Sriwijaya University.
APRIANI, DITARIA and Zainal, Fanani and Purwaningrum, Widia (2021) PENGARUH KONSENTRASI ABU SEKAM PADI SEBAGAI BAHAN PENGISI DAN KONSENTRASI SULFUR TERHADAP KUALITAS KARET BUSA. Undergraduate thesis, Sriwijaya University.
FATWANDARI, DYAH AYU and Hermansyah, Hermansyah and Purwaningrum, Widia (2021) AKTIVITAS ANTIJAMUR BERBAGAI FRAKSI EKSTRAK METANOL BUAH MENGKUDU (MORINDA CITRIFOLIA L.) TERHADAP JAMUR CANDIDA KRUSEI. Undergraduate thesis, Sriwijaya University.
HIDAYATI, PUTRI TAMARA and Hasanudin, Hasanudin and Purwaningrum, Widia (2021) HIDRODEOKSIGENASI CPO (CRUDE PALM OIL) MENJADI BIOGASOLINE DENGAN KATALIS BENTONIT TERPILAR MOLIBDENUM NITRIDA. Undergraduate thesis, Sriwijaya University.
PUTRI, EGA EMILIA SEBA and Hasanudin, Hasanudin and Purwaningrum, Widia (2021) HIDRODEOKSIGENASI CRUDE PALM OIL MENJADI BIOGASOLINE DENGAN KATALIS KOMPOSIT BENTONIT KOBALT NITRIDA. Undergraduate thesis, Sriwijaya University.
MELATI, MELATI and Said, Muhammad and Purwaningrum, Widia (2021) SINTESIS SEMIKONDUKTOR ZnO-Mg DAN APLIKASINYA SEBAGAI FOTODEGRADASI ZAT WARNA METHYLENE BLUE. Undergraduate thesis, Sriwijaya University.
GELBY, ADE and Eliza, Eliza and Purwaningrum, Widia (2021) SINTESIS NANOPARTIKEL PERAK (AgNPs) MENGGUNAKAN EKSTRAK KAYU BATANG KECAPI (Sandoricum koetjape) DAN UJI AKTIVITASNYA TERHADAP BAKTERI Escherichia coli DAN Staphylococcus aureus. Undergraduate thesis, Sriwijaya University.
MARESTA, ESIS and Fanani, Zainal and Purwaningrum, Widia (2020) PENGARUH UKURAN FILLER ZEOLIT DAN KONSENTRASI ZINC-2-MERCAPTOBENZOTHIAZOLE (ZMBT) TERHADAP KUALITAS VULKANISAT KARET GELANG. Undergraduate thesis, Sriwijaya University.
RAHAYU, CHRISNA ASRY and Hermansyah, Hermansyah and Purwaningrum, Widia (2020) PENGOLAHAN LIMBAH CAIR INDUSTRI KARET MENGGUNAKAN ADSORBEN KARBON AMPAS TEBU DAN BIOFILTER ANAEROB Saccharomyces cerevisiae. Undergraduate thesis, Sriwijaya University.
HARDIYANI, SITI and Syarif, Nirwan and Purwaningrum, Widia (2020) PREPARASI KARBON DOTS DARI BINCHOTAN KAYU PELAWAN (Tristaniopsis merguensis) DAN APLIKASINYA PADA BATERAI ION LITHIUM. Undergraduate thesis, Sriwijaya University.
PUTRI, QODRIA UTAMI and Hasanudin, Hasanudin and Riyanti, Fahma and Purwaningrum, Widia and Desnelli, Desnelli and Panagan, Almunady T (2020) DEHIDRASI ETANOL MENJADI DIETIL ETER DENGAN KATALIS BENTONIT TERPILAR ZIRKONIUM FOSFAT. Undergraduate thesis, Sriwijaya University.
ZULFAH, JULYA HELENDE and Eliza, Eliza and Purwaningrum, Widia (2020) SINTESIS NANOPARTIKEL PERAK DENGAN REDUKTOR EKSTRAK TUMBUHAN BERIANG (Ploiarium alternifolium) DAN UJI AKTIVITAS ANTIFUNGAL TERHADAP JAMUR YANG MENYERANG MANGGA. Undergraduate thesis, Sriwijaya University.
SURYONO, GITA DINIA PUTRI and Julinar, Julinar and Purwaningrum, Widia (2019) PENGGUNAAN BAKTERI Pseudomonas knackmussii UNTUK DEKOLORISASI ZAT WARNA CONGO RED DAN LIMBAH CAIR INDUSTRI TEKSTIL. Undergraduate thesis, Sriwijaya University.
SAFELY, VIRLI AFNI and Julinar, Julinar and Purwaningrum, Widia (2019) DEKOLORISASI ZAT WARNA CONGO RED DAN LIMBAH ZAT WARNA TEKSTIL MENGGUNAKAN Pseudomonas stutzeri. Undergraduate thesis, Sriwijaya University.
APRIMASARI, LISA and Yudono, Bambang and Purwaningrum, Widia (2019) PENGARUH KADAR GARAM, PH, DAN TEMPERATUR TERHADAP RECOVERY MINYAK BUMI MENGGUNAKAN BAKTERI BURKHOLDERIA GLUMAE. Undergraduate thesis, Sriwijaya University.
ANGGRAINI, ISMI and Yuliasari, Nova and Purwaningrum, Widia (2017) KITOSAN TERAMOBILISASI DAN APLIKASINYA UNTUK MENGADSORPSI Fe (III) DALAM AIR GAMBUT. Undergraduate thesis, Sriwijaya University.
BADRIYAH, UMI and Muharni, Muharni and Purwaningrum, Widia (2014) ISOLASI DAN IDENTIFIKASI SENYAWA METABOLIT SEKUNDER EKSTRAK ETIL ASETAT BATANG TUMBUHAN BROTOWALI (Tinospora crispa L). Undergraduate thesis, Sriwijaya University.
NUGRAHA, AHMAD YOGI and Muharni, Muharni and Purwaningrum, Widia (2014) ISOLASI METABOLIT SEKUNDER DARI JAMUR ENDOFITIK Aspergillus sp. PADA DAUN KUNYIT PUTIH (Curcuma zedoaria (Berg.) Roscoe). Undergraduate thesis, Sriwijaya University.
YANTI S., FRISCA and Yuliasari, Nova and Purwaningrum, Widia (2014) INTERFERENSI Fe DAN Cr TERHADAP ANALISIS Ni SECARA SPEKTROFOTOMETRI SERAPAN ATOM DAN APLIKASINYA PADA LIMBAH ELEKTROPLATING SENG. Undergraduate thesis, Sriwijaya University.
YAMARTIKA, MHD. TAUFIQ and Rachmat, Addy and Purwaningrum, Widia (2014) ESTERIFIKASI DISTILAT ASAM LEMAK MINYAK SAWIT (DALMS) MENGGUNAKAN KATALIS ASAM PADAT W03-TI02. Undergraduate thesis, Sriwijaya University.
SUDRAJAT, MASTUR ADHY and Muharni, Muharni and Purwaningrum, Widia (2013) ISOLASI SENYAWA METABOLIT SEKUNDER DARI JAMUR ENDOFITIK Trichoderma sp AKAR BROTOWALI (Tinospora Crispa L) DAN UJI AKTIVITAS ANTIBAKTERINYA. Undergraduate thesis, Sriwijaya University.
LUMBANGAOL, KENNEDY M. and Suheryanto, Suheryanto and Purwaningrum, Widia (2013) VALIDASI METODE SPEKTROFOTOMETRI UV/VIS UNTUK ANALISIS FORMALIN PADA SAMPEL IKAN. Undergraduate thesis, Sriwijaya University.
SIMANUNGKALIT, FRENGKY and Rachmat, Addy and Purwaningrum, Widia (2013) PENGARUH BERAT WO3 TERHADAP POROSITAS DAN KEASAMAN KOMPOSIT WO3 - TiO2. Undergraduate thesis, Sriwijaya University.
ULFA, MARIAH and Julinar, Julinar and Purwaningrum, Widia (2013) PENENTUAN KADAR FENOLAT BUAH SIRSAK (Annona muricata) DAN PRODUK OLAHANNYA. Undergraduate thesis, Sriwijaya University.
SEDAYU, AGUNG and Loekitowati, Poedji and Purwaningrum, Widia (2012) ABSORPSI ZAT WARNA PROCION MERAH DARI LIMBAH CAIR INDUSTRI SONGKET MENGGUNAKAN CANGKANG TELUR AYAM. Undergraduate thesis, Sriwijaya University.
WAHYUNI, TRI and Loekitowati, Poedji and Purwaningrum, Widia (2012) STUDI ADSORPSI ION Pb2+ MENGGUNAKAN KITIN DAN MEMBRAN KITIN DARI CANGKANG UDANG GALAH (Macrobrachium Rosenbergii). Undergraduate thesis, Sriwijaya University.
ROMESYA, FITRIANI and Suheryanto, Suheryanto and Purwaningrum, Widia (2012) ADSORPSI Zn2+ MENGGUNAKAN KITIN DAN MEMBRAN KITIN DARI CANGKANG UDANG GALAH SEBAGAI PENGAKTIFATOR. Undergraduate thesis, Sriwijaya University.
HARYANTI, NOVI and Suheryanto, Suheryanto and Purwaningrum, Widia (2012) PENENTUAN ADSORPSI ION Cd2+ MENGGUNAKAN KITIN SEBELUM DAN SESUDAH AMOBILISASI. Undergraduate thesis, Sriwijaya University.
GUSVALINA, AMELIA and Suheryanto, Suheryanto and Purwaningrum, Widia (2012) STUDI ADSORPST ION Cu(II) DENGAN MENGGUNAKAN KITIN DAN MEMBRAN KITIN SEBAGAI PENYERAP. Undergraduate thesis, Sriwijaya University.
ANGRAENA, RINA and Rachmat, Addy and Purwaningrum, Widia (2012) ADSORPSI ION Pb2+ DAN Ni2+ MENGGUNAKAN KITIN DAN KITOSAN SEBAGAI ADSORBEN. Undergraduate thesis, Sriwijaya University.
IRMANSYAH, IRMANSYAH and Hidayati, Nurlisa and Purwaningrum, Widia (2012) STUDI ADSORPSI METILEN BIRU PADA HUMIN. Undergraduate thesis, Sriwijaya University.
TEJA, KHANIZAR NANDRA and Loekitowati, Poedji and Purwaningrum, Widia (2010) ADSORPSI ZAT WARNA PROCION MERAH PADA LIMBAH CAIR SONGKET MENGGUNAKAN KITIN DAN KITOSAN. Undergraduate thesis, Sriwijaya University.
PRATIWI, SISCA and Purwaningrum, Widia and Fatma, Fatma (2010) ANALISIS ION Fe2+ HASIL ADSORPSI KITIN DAN KITOSAN DENGAN METODE SPEKTROFOTOMETRI SERAPAN ATOM (SSA). Undergraduate thesis, Sriwijaya University.
BARUS, RINI FRANIKA and Purwaningrum, Widia and Rachmat, Addy (2010) ADSORPSI LEMPUNG BENTONIT ALAM TERHADAP Fe2+ DAN Zn2+ SERTA APLIKASINYA PADA AIR GAMBUT. Undergraduate thesis, Sriwijaya University.
NURHAYATI, NURHAYATI and Purwaningrum, Widia and Rachmat, Addy (2010) ADSORPSI LEMPUNG BENTONIT ALAM TERHADAP Mn2+ DAN Cr3+ SERTA APLIKASINYA PADA AIR GAMBUT. Undergraduate thesis, Sriwijaya University.
LENSI, LENSI and Purwaningrum, Widia and Hariani, Poedji Loekitowati (2010) ISOLASI KITIN DARI LIMBAH UDANG GALAH (Macrobrachium rosenbergii) DAN PEMANFAATANNYA SEBAGAI IONOFOR MEMBRAN ESI Cu2+. Undergraduate thesis, Sriwijaya University.
PARIGA, PARIGA and Purwaningrum, Widia and Hariani, Poedji Loekitowati (2010) PEMBUATAN DAN UJI KINERJA MEMBRAN ELEKTRODA SELEKTIF ION Cd DAN Zn DENGAN IONOFOR KITIN. Undergraduate thesis, Sriwijaya University.
JULAIHA, PUTRI and Loekitowati, Poedji and Purwaningrum, Widia (2009) PENGGUNAAN KOAGULAN TAWAS DAN ADSORBEN KARBON AKTIF UNTUK MENURUNKAN KONSENTRASI AMMONIA, pH DAN KOK PADA LIMBAH CAIR PT. PUSRI. Undergraduate thesis, Sriwijaya University.
Other
Hasanudin, Hasanudin and ASRI, WAN RYAN and Purwaningrum, Widia and Riyanti, Fahma and Novia, Novia and Maryana, Roni and Al Muttaqii, Muhammad (2022) Kinetic Parameters Investigation for The Esterification of Free Fatty Acid from Coconut Oil Mill Waste using Montmorillonite-Sulfonated Carbon from Glucose Composite Catalyst (Corresponding author). Jurusan Kimia, FMIPA, Universitas Jenderal Soedirman, Purwokerto. (Unpublished)
Hasanudin, Hasanudin and ASRI, WAN RYAN and Purwaningrum, Widia and Riyanti, Fahma and Novia, Novia and Maryana, Roni and Al Muttaqii, Muhammad (2022) Kinetic Parameters Investigation for The Esterification of Free Fatty Acid from Coconut Oil Mill Waste using Montmorillonite-Sulfonated Carbon from Glucose Composite Catalyst (Similarity). Turnitin Universitas Sriwijaya. (Submitted)
Purwaningrum, Widia and Hasanudin, Hasanudin and Rachmat, Addy and Riyanti, Fahma and Hariani, Poedji Loekitowati (2022) Modification of Calcium Oxide from Green Mussel Shell with Iron Oxide as a Potential Adsorbent for the Removal of Iron and Manganese Ions from Acid Mine Drainage (Similarity). Ithenticate Universitas sriwijaya. (Submitted)
Hasanudin, Hasanudin and ASRI, WAN RYAN and Said, Muhammad and HIDAYATI, PUTRI TAMARA and Purwaningrum, Widia and Novia, Novia and Wijaya, Karna (2022) Hydrocracking optimization of palm oil to bio-gasoline and bio-aviation fuels using molybdenum nitride-bentonite catalyst (Similarity). Ithenticate Universitas sriwijaya. (Submitted)
Hasanudin, Hasanudin and ASRI, WAN RYAN and Said, Muhammad and Hidayati, Putri Tamara and Purwaningrum, Widia and Novia, Novia and Wijaya, Karna (2022) Hydrocracking optimization of palm oil to bio-gasoline and bio-aviation fuels using molybdenum nitride-bentonite catalyst (corespondence author). RSC Publishing. (Unpublished)
Hasanudin, Hasanudin and ASRI, WAN RYAN and TAMPUBOLON, KRISTINA and Riyanti, Fahma and Purwaningrum, Widia and Wijaya, Karna (2022) Dehydration Isopropyl Alcohol to Diisopropyl Ether over Molybdenum Phosphide Pillared Bentonite (Similarity). Ithenticate Universitas sriwijaya. (Submitted)
Hasanudin, Hasanudin and ASRI, WAN RYAN and TAMPUBOLON, KRISTINA and Riyanti, Fahma and Purwaningrum, Widia and Wijaya, Karna (2022) Dehydration Isopropyl Alcohol to Diisopropyl Ether over Molybdenum Phosphide Pillared Bentonite (Corresponding author). Universiti Putra Malaysia. (Unpublished)
Hasanudin, Hasanudin and Purwaningrum, Widia and Salni, Salni (2009) Laporan Pengabdian Pada Masyarakat Budidaya Jamur Kuping dengan Memanfaatkan Media Serbuk Kayu Gergaji Tahun 2009. Universitas Sriwijaya. (Unpublished)