| Asas metodologi penelitian RK Widi Yogyakarta: Graha Ilmu, 2010 | 1050 | 2010 |
| Uji validitas dan reliabilitas dalam penelitian epidemiologi kedokteran gigi R Widi Stomatognatic (JKG Unej) 8 (1), 27-34, 2011 | 306 | 2011 |
| Menggelorakan Penelitian; Pengenalan dan Penuntun Pelaksanaan Penelitian RK Widi | 90 | 2018 |
| Surface texturing of Mo–V–Te–Nb–O x selective oxidation catalysts JB Wagner, O Timpe, FA Hamid, A Trunschke, U Wild, DS Su, RK Widi, ... Topics in catalysis 38, 51-58, 2006 | 75 | 2006 |
| Penjaringan dan identifikasi senyawa alkaloid dalam batang kayu kuning (Arcangelisia Flava Merr) RK Widi, T Indriati Jurnal ilmu dasar 8 (1), 24-29, 2007 | 44 | 2007 |
| Pemanfaatan Material Anorganik: Pengenalan dan Beberapa Inovasi di Bidang Penelitian RK Widi Deepublish, 2018 | 22 | 2018 |
| Kinetic investigation of propane oxidation on diluted Mo1–V0.3–Te0.23–Nb0.125–O x mixed-oxide catalysts RK Widi, SB Abd Hamid, R Schlogl Reaction Kinetics and Catalysis Letters 98, 273-286, 2009 | 19 | 2009 |
| Glucose oxidase immobilization on TMAH-modified bentonite R Chrisnasari, ZG Wuisan, A Budhyantoro, RK Widi Indonesian Journal of Chemistry 15 (1), 22-28, 2015 | 16 | 2015 |
| Asas Metodologi Penelitian: Sebuah Pengenalan dan Penuntun Langkah demi Langkah Pelaksanaan Penelitian S Suryabrata, RK Widi Yogyakarta: Graha Ilmu, 2010 | 14 | 2010 |
| Photocatalytic decolorization of Basic Blue 41 using TiO2-Fe3O4-bentonite coating applied to ceramic in continuous system R Kartiko Widi, I Suciani, E Savitri, R Reynaldi, A Budhyantoro Chemical Engineering Communications 207 (2), 203-212, 2020 | 12 | 2020 |
| Adsorpstion of Phosphate in Aqueous Solutions Using Manganese Dioxide Y Fransiscus, RK Widi, GO Aprilasti, MD Yuharma International Journal on Advanced Science, Engineeering and Information …, 2018 | 12 | 2018 |
| Esterification of Palmitic Acid over Acid Catalyst RK Widi, ABL Riadi International Journal of Applied Chemistry 6 (1), 11-18, 2009 | 10 | 2009 |
| Effect of diluent and reaction parameter on selective oxidation of propane over MoVTeNb catalyst using nanoflow catalytic reactor RK Widi, SBA Hamid, R Schlögl Journal of natural gas chemistry 17 (2), 130-134, 2008 | 10 | 2008 |
| Antibacterial inactivation of Escherichia coli after TiO2-Fe3O4-Bentonite photocatalytic treatment RK Widi, E Savitri, O Angelina, S Caroline, A Budhyantoro International Journal on Advanced Science, Engineeering and Information …, 2018 | 9 | 2018 |
| Use of TiO2-Fe3O4 pillared bentonite as photocatalyst in photodegradation of basic blue RK Widi, A Budhyantoro, E Savitri Journal of Chemical and Pharmaceutical Research 7 (9S), 183-188, 2015 | 9 | 2015 |
| Catalytic performance of TiO2-Fe3O4 supported bentonite for photocatalytic degradation of phenol RK Widi, A Budhyantoro International Journal of Applied Engineering Research 9 (23), 18753-18758, 2014 | 9 | 2014 |
| The effect of the calcinations temperature during synthesis of TiO2-Fe3O4-bentonite as photocatalyst material E Savitri, RK Widi, A Budhyantoro Journal of Chemical and Pharmaceutical Research 7 (9S), 70-75, 2015 | 8 | 2015 |
| Preparation of immobilized glucose oxidase wafer enzyme on calcium-bentonite modified by surfactant RK Widi, DC Trisulo, A Budhyantoro, R Chrisnasari IOP Conference Series: Materials Science and Engineering 223 (1), 012050, 2017 | 7 | 2017 |
| Pillarisasion of Natural Bentonite with Mixed Metal Fe-Al And Its Application in Chromium Ion Adsorption A Budhyantoro, RK Widi, E Savitri 12th Asian Chemical Congress, Federation of Asian Chemical Societies, Kuala …, 2007 | 6 | 2007 |
| Effect of HDTMA on Pillarisasion of Bentonite with Metal Fe And Its Application in Copper Ion Adsorption RK Widi, A Budhyantoro 12th Asian Chemical Congress, Federation of Asian Chemical Societies Kuala …, 2007 | 6 | 2007 |
