Analysis of Iron and Lead Levels in Groundwater in Sub-Urban Areas of Palembang. Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam, [S. l.], v. 20, n. 1, p. 35–46, 2023. DOI: 10.31851/sainmatika.v20i1.10077. Disponível em: https://jurnal.univpgri-palembang.ac.id/index.php/sainmatika/article/view/10077. Acesso em: 21 jun. 2026.