Aulia, Faradila Nur, and Norma Farizah Fahmi. “Difference Total Colony Bacteria On Hand Before and After Wash Hands Use Soap”. Conference on Innovation in Health, Accounting and Management Sciences (CIHAMS) 2 (February 15, 2023): 70-73. Accessed April 24, 2025. https://cihams.setiabudi.ac.id/index.php/proceeding/article/view/79.