Mulyadi, Abdul Haris, and Author Muhammad Arkan Naufal. “Katalis Calcium Oxide Dari Cangkang Kerang Simping Untuk Sintesis Biodiesel Berbasis Minyak Jelantah”. Proceedings Series on Physical & Formal Sciences 9, no. 1 (February 13, 2026): 84–87. Accessed July 6, 2026. http://conferenceproceedings.ump.ac.id/pspfs/article/view/2165.