Hidayah, Malikhatul, Kustomo Kustomo, and Anfi’na Ilma Yunita. “Batch Adsorption of Pb(II) Batch Using Humic Acid from Goat Dung”. al Kimiya: Jurnal Ilmu Kimia dan Terapan 9, no. 2 (January 1, 2023): 55–61. Accessed December 6, 2025. https://journal.uinsgd.ac.id/index.php/ak/article/view/19735.