| Effect of fermenting cassava with Lactobacillus plantarum, Saccharomyces cereviseae, and Rhizopus oryzae on the chemical composition of their flour S Gunawan, T Widjaja, S Zullaikah, L Ernawati International Food Research Journal 22 (3), 1280-1287, 2014 | 55 | 2014 |
| Pembuatan mocaf (modified cassava flour) dengan proses fermentasi menggunakan Lactobacillus plantarum, Saccharomyces cereviseae, dan Rhizopus oryzae LI Kurniati, N Aida, S Gunawan, T Widjaja Jurnal teknik pomits 1 (1), 1-6, 2012 | 47 | 2012 |
| Adsorption capacity of powdered activated carbon for 3, 5-dichlorophenol in activated sludge T Widjaja, T Miyata, Y Nakano, W Nishijima, M Okada Chemosphere 57 (9), 1219-1224, 2004 | 44 | 2004 |
| Rice bran, a potential source of biodiesel production in Indonesia S Gunawan, S Maulana, K Anwar, T Widjaja Industrial Crops and Products 33 (3), 624-628, 2011 | 32 | 2011 |
| The effect of substrate and enzyme concentration on the glucose syrup production from red sorghum starch by enzymatic hydrolysis AR Permanasari, F Yulistiani, RW Purnama, T Widjaja, S Gunawan IOP Conference Series: Earth and Environmental Science 160 (1), 012002, 2018 | 12 | 2018 |
| Methane production from coffee pulp by microorganism of rumen fluid and cow dung in co-digestion T Widjaja, T Iswanto, A Altway, M Shovitri, SR Juliastuti Chemical Engineering Transactions 56, 1465-1470, 2017 | 12 | 2017 |
| Pemanfaatan Biji Buah Nyamplung (Callophylum Inophylum) Sebagai Bahan Baku Pembuatan Biodisel BB Chandra, F Setiawan, S Gunawan, T Widjaja Jurnal Teknik ITS 2 (1), B13-B15, 2013 | 12 | 2013 |
| Production of ethanol as a renewable energy by extractive fermentation T Widjaja, A Altway, AR Permanasari, S Gunawan Applied Mechanics and Materials 493, 300-305, 2014 | 9 | 2014 |
| Effect of powdered activated carbon addition on a submerged membrane adsorption hybrid bioreactor with shock loading of a toxic compound T Widjaja, AA Soeprijanto Journal of Mathematics and Technology 3, 139-146, 2010 | 8 | 2010 |
| Pengaruh HRT dan beban COD terhadap pembentukan gas methan pada proses anaerobic digestion menggunakan limbah padat tepung tapioka T Widjaja, A Altway, P Prameswarhi, FS Wattimena Institut Teknologi Surabaya, Surabaya, 2008 | 8 | 2008 |
| The effects of microorganism on coffee pulp pretreatment as a source of biogas production SR Juliastuti, T Widjaja, A Altway, VA Sari, D Arista, T Iswanto MATEC Web of Conferences 156, 03010, 2018 | 7 | 2018 |
| The effect of organosolv pretreatment on optimization of hydrolysis process to produce the reducing sugar FZ Lini, T Widjaja, N Hendrianie, A Altway, S Nurkhamidah, Y Tansil MATEC Web of Conferences 154, 01022, 2018 | 7 | 2018 |
| Evaluasi lahan untuk pengembangan tanaman karet di Kabupaten Ogan Komering Ulu, Sumatera Selatan T Widjaja, U Hidayati Jurnal Penelitian Karet 2 (1-3), 1-11, 2003 | 7 | 2003 |
| Pengaruh perbandingan nutrisi terhadap pengolahan minyak secara biologis dengan bakteri mixed-culture T Widjaja, L Sunarko Jurnal Teknik Kimia Indonesia 7 (1), 753-760, 2018 | 6 | 2018 |
| Biogas production from pretreated coffee-pulp waste by mixture of cow dung and rumen fluid in co-digestion SR Juliastuti, T Widjaja, A Altway, T Iswanto AIP Conference Proceedings 1840 (1), 110011, 2017 | 6 | 2017 |
| Comparative Study of Microorganism Effect on The Optimisation of Ethanol Production from Palmyra Sap (Borassus flabellifer) Using Response Surface Methodology N Humaidah, T Widjaja, N Budisetyowati, H Amirah Chemical Engineering Transactions 56, 1789-1794, 2017 | 5 | 2017 |
| The effect of pretreatment and variety of microorganisms to the production of ethanol from coffee pulp T Widjaja, A Altway, S Nurkhamidah, L Edahwati, FZ Lini, F Oktafia Arpn J. Eng. Appl. Sci 11, 1056-1060, 2016 | 5 | 2016 |
| Technique of ethanol food grade production with batch distillation and dehydration using starch-based adsorbent T Widjaja, A Altway, H Ni’mah, N Tedji, U Rofiqah AIP Conference Proceedings 1699 (1), 030010, 2015 | 5 | 2015 |
| Optimization of process conditions for tannin content reduction in cassava leaves during solid state fermentation using Saccharomyces cerevisiae M Hawashi, A Altway, T Widjaja, S Gunawan Heliyon 5 (8), e02298, 2019 | 4 | 2019 |
| Isolation and identification of caffeine-degrading bacteria from soil, coffee pulp waste and excreted coffee bean in Luwak feces T ISWANTO, M SHOVITRI, ALI ALTWAY, TRI WIDJAJA, DI KUSUMAWATI, ... Biodiversitas Journal of Biological Diversity 20 (6), 2019 | 4 | 2019 |
