“Comparison to the Iron Level on the Well Water and PDAM Water Sample Using ICP-OES Spectrophotometer”. Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam 20, no. 2 (December 2, 2023): 176–182. Accessed June 21, 2026. https://jurnal.univpgri-palembang.ac.id/index.php/sainmatika/article/view/12991.