E Education on Processing Liquid Soap from Activated Carbon Banana Peel and Correct Hand Washing Steps. Prosiding Seminar Nasional Masyarakat Tangguh, [S. l.], v. 3, n. 1, p. 200–206, 2024. Disponível em: https://ocs.unism.ac.id/index.php/semnaspkm/article/view/1265.. Acesso em: 27 jul. 2024.