TY - JOUR T1 - Performance Comparison of Heterogeneous Catalysts based on Natural Bangka Kaolin for Biodiesel Production by Acid and Base Activation Processes AU - Eny Kusrini,Lee Wilson,Volkan Degirmenci,Abi Rifqi,Mohd Aidil Adhha Abdullah,Nofrijon Sofyan,Anwar Usman JO - International Journal of Technology VL - 15 IS - 6 SP - 291 EP - 319 PY - 2024 DA - 2024/12/24 SN - 2087-2100 DO - https://doi.org/10.14716/ijtech.v15i6.7023 UR - https://ijtech.eng.ui.ac.id/article/view/7023