PUTRI, Dwi Ajeng Maharani et al. Utilization of Pineapple Peel Waste as Eco-Enzyme for Environmentally Friendly Natural Cleaner . Proceedings Series on Social Sciences & Humanities, [S. l.], v. 28, 2025. DOI: 10.30595/pssh.v28i.2021. Disponível em: http://conferenceproceedings.ump.ac.id/pssh/article/view/2021. Acesso em: 8 jul. 2026.