Nabiela, Maula, Malikhatul Hidayah, and Zidni Azizati. “Adsorpsi Ion Logam Kromium Heksavalen Cr (VI) Dalam Larutan Menggunakan Zeolit Berlapis Oksida Mangan (MnO2)”. Walisongo Journal of Chemistry 3, no. 2 (December 17, 2020): 52–57. Accessed December 8, 2025. https://journal.walisongo.ac.id/index.php/wjc/article/view/6073.