Djayasinga, Rodhiansyah, Rudy Tahan Mangapul Situmeang, Fuangfa Unob, Sutopo Hadi, Posman Manurung, and Sumardi Sumardi. 2024. “Chicken Eggshell Powder As Antibacterial Against Staphylococcus Aureus and Escherichia Coli Through In Vitro Studies”. Journal of Multidisciplinary Applied Natural Science 4 (1). Metro, Indonesia:194-209. https://doi.org/10.47352/jmans.2774-3047.205.