DJAYASINGA, Rodhiansyah; SETIAWAN, Andi; PURNOMO, Agus; AMIEN, Ardian Zakaria; HARTANTI, Hartanti. Utilization of Breed Chicken Eggshells for Biodiesel Preparation from Waste Cooking Oil. Journal of Multidisciplinary Applied Natural Science, Metro, Indonesia, v. 2, n. 1, p. 41–46, 2022. DOI: 10.47352/jmans.2774-3047.90. Disponível em: https://journal.pandawainstitute.com/index.php/jmans/article/view/90. Acesso em: 19 aug. 2025.