Harun, Nurul Hidayah, Rosiah Rohani, and Nur Syafiqah Farhanah Dzulkharnien. 2022. “Characterization of Zinc Oxide Nanoparticle from Waste Cooking Oil for Surface Coating”. Journal of Biochemistry, Microbiology and Biotechnology 10 (SP2):22-28. https://doi.org/10.54987/jobimb.v10iSP2.725.