| Impregnation of CaO from Eggshell Waste with Magnetite as a Solid Catalyst (Fe3O4/CaO) for Transesterification of Palm Oil Off-Grade Z Helwani, M Ramli, E Saputra, B Bahruddin, D Yolanda, W Fatra, ... Catalysts 10 (2), 164, 2020 | 41 | 2020 |
| Off Grade Palm Oil as A Reneweble Raw Material for Biodiesel Production by Two-Step Processes RZ Budiawan, W Fatra, Z Helwani ChESA Conference 7, 40-50, 2013 | 24 | 2013 |
| EFFECT OF ALKALINE TREATMENT ON THE PROPERTIES OF OIL PALM EMPTY FRUIT BUNCH FIBER-REINFORCED POLYPROPYLENE COMPOSITE. W Fatra, H Rouhillahi, Z Helwani, J Asmura International Journal of Technology 7 (6), 2016 | 23 | 2016 |
| Preparation of CaO/Fly ash as a catalyst inhibitor for transesterification process off palm oil in biodiesel production Z Helwani, W Fatra, E Saputra, R Maulana IOP Conference Series: Materials Science and Engineering 334, 012077, 2018 | 22 | 2018 |
| Alternative briquette material made from palm stem biomass mediated by glycerol crude of biodiesel byproducts as a natural adhesive Z Helwani, M Ramli, A Rusyana, M Marlina, W Fatra, GM Idroes, ... Processes 8 (7), 777, 2020 | 18 | 2020 |
| Effect of process variables on the calorific value and compressive strength of the briquettes made from high moisture Empty Fruit Bunches (EFB) Z Helwani, W Fatra, L Arifin, MR Othman IOP Conference Series: Materials Science and Engineering 345 (1), 012020, 2018 | 9 | 2018 |
| Alkaline treatment of oil palm frond fibers by using extract of oil palm EFB ash for better adhesion toward polymeric matrix W Fatra, R Sanjaya, Z Zulfansyah, H Rionaldo, Z Helwani Journal of Engineering and Technological Sciences 47 (5), 498-507, 2015 | 8 | 2015 |
| Torrefaction of empty fruit bunches: Evaluation of fuel characteristics using response surface methodology Z Helwani, W Fatra, AQ Fernando, GM Idroes, R Idroes IOP Conference Series: Materials Science and Engineering 845 (1), 012019, 2020 | 7 | 2020 |
| Pengaruh Cetakan Sillicone Rubber dan Temperatur Tuang Lilin terhadap Kualitas Pola Lilin pada Investment Casting H Hudaya, W Fatra, D Masnur Jurnal Online Mahasiswa Fakultas Teknik Universitas Riau 3 (2), 1-6, 2016 | 6 | 2016 |
| Karbonasi Pelepah Sawit S Yemita, Z Helwani, W Fatra Jurnal Online Mahasiswa Fakultas Teknik Universitas Riau 3 (1), 1-6, 2016 | 6 | 2016 |
| Pembuatan biodiesel dari minyak sawit off-grade menggunakan katalis cao/serbuk besi Z Helwani, E Saputra, W Fatra, S Herman, LTOJT Kimia Prosiding Seminar Nasional Industri Kimia dan Sumber Daya Alam, 2016 | 6 | 2016 |
| Tricopter vehicle frame structure design integrated as platform of fixed wing atha mapper 2150 K Anuar, W Fatra, M Akbar Journal of Ocean, Mechanical and Aerospace-science and engineering- 64 (2 …, 2020 | 5 | 2020 |
| dan Helwani, Z.(2013) Off grade Palm Oil as A Reneweble Raw Material for Biodiesel Production by Two-Step Processes RZ Budiawan, W Fatra ChESA Conference, 40-50, 0 | 4 | |
| Pembangkit Listrik Tenaga Surya Untuk Mengatasi Krisis Energi Ketika Musim Kemarau A Asral, W Fatra, I Yasri, F Candra JPPM (Jurnal Pengabdian dan Pemberdayaan Masyarakat) 3 (2), 223-228, 2019 | 2 | 2019 |
| Optimasi proses karbonisasi tandan kosong sawit menggunakan response surface methodology BE Putra, Z Helwani, W Fatra Jurnal Online Mahasiswa Fakultas Teknik Universitas Riau 4 (2), 1-5, 2017 | 2 | 2017 |
| Perilaku Kekuatan Baja Tulangan Beton Akibat Kebakaran R Rahman, A Kurniawandy, W Fatra Jurnal Online Mahasiswa Fakultas Teknik Universitas Riau 3 (2), 1-8, 2016 | 2 | 2016 |
| Densifikasi Produk Karbonisasi Pelepah Sawit Menjadi Briket Menggunakan Crude Gliserol Produk Samping Biodiesel Sebagai Filler AM Ilham Jurnal Online Mahasiswa Fakultas Teknik Universitas Riau 3 (2), 1-4, 2016 | 2 | 2016 |
| Studi Eksperimental Variasi Pretension Sambungan Baut Baja Tipe Slip Critical A Gutama, A Kurniawandy, W Fatra Jurnal Online Mahasiswa Fakultas Teknik Universitas Riau 2 (1), 1-6, 2015 | 2 | 2015 |
| Optimizing Raw Material Pre-Treatment for Bioethanol Production from Empty Fruit Bunches: A Comparative Study RS Said Zul Amraini, Sunitha Sari, David Andrio, Waman Fatra Grimsa Journal of Science Engineering and Technology 1, 17-23, 2023 | 1 | 2023 |
| Design and Aerodynamic Analysis of Fixed-Wing Vertical Take-Off Landing (FW-VTOL) UAV K Anuar, W Fatra, M Akbar, N Nazaruddin, S Syafri, AW Sari, RR Utama Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 106 (1 …, 2023 | 1 | 2023 |
Zuchra HelwaniUniversity of RiauEmail yang diverifikasi di lecturer.unri.ac.id
