Ibm Membuat Eco Enzym Dengan Memanfaatkan Limbah Organik SMA 4 Mandau Duri. Harmoni Masyarakat, [S. l.], v. 1, n. 1, p. 26–30, 2024. Disponível em: https://journal.unilak.ac.id/index.php/Harmoni/article/view/19100. Acesso em: 21 jun. 2026.