Characterization of zeolitic imidazole framework (ZIF-8) catalyst for potential biodiesel production from waste cooking oil (WCO)Xin Hui Chai, Law Yong Ng, Ching Yin Ng, Jia Huey Sim, Ying Pei Lim and Josephine Ying Chyi LiewE3S Web Conf., 603 (2025) 03006DOI: https://doi.org/10.1051/e3sconf/202560303006