Coa, S. A. R., Tomi, D. N. and Leto, K. T. (2026) “Production of an Adsorbent from Chicken Eggshell Waste for the Purification of Used Cooking Oil”, Bincang Sains dan Teknologi, 5(02), pp. 69–77. doi: 10.56741/bst.v5i02.2397.