ILMIAH, S. N. Utilization of Fermented Papaya and Apple Peels for Eco-Friendly Treatment of Waste Water. Jurnal Matematika dan Sains (JMS), Lamongan, Indonesia, v. 3, n. 2, p. 69–76, 2023. DOI: 10.55273/jms.v3i02.227. Disponível em: https://ejournal.billfath.ac.id/index.php/jms/article/view/227. Acesso em: 31 jan. 2025.