Ismayanti, Nurul Afifah, Freshty Kesumaningrum, and Muhaimin Muhaimin. “Analisis Kadar Logam Fe, Cr, Cd Dan Pb Dalam Air Minum Isi Ulang Di Lingkungan Sekitar Kampus Universitas Islam Indonesia Yogyakarta Menggunakan Spektrofotometer Serapan Atom (SSA)”. Indonesian Journal of Chemical Analysis (IJCA) 2, no. 01 (March 25, 2019): 41–46. Accessed March 29, 2024. https://journal.uii.ac.id/IJCA/article/view/12244.