RIDUAN, A.; RAINIYATI, R.; HERANINGSIH, S. F.; BADARIAH, B. Minimizing river pollution by batik dye wastewater using palm oil fuel ash (POFA) as an environmentally friendly, low-cost adsorbent alternative. Journal of Degraded and Mining Lands Management, Malang, Indonesia, v. 10, n. 1, p. 3981–3989, 2022. DOI: 10.15243/jdmlm.2022.101.3981. Disponível em: https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/1319. Acesso em: 21 mar. 2025.