Prabowo, A. et al. 2026. Material-Based Assessment of Iron and Manganese Distribution in River Water by Atomic Absorption Spectrophotometry. Jurnal Crystal : Publikasi Penelitian Kimia dan Terapannya. 8, 2 (Sep. 2026), 445–451. DOI:https://doi.org/10.36526/jc.v8i2.9277.