MUADIFAH, Afidatul; SANTOSO, Arif; NGIBAD, Khoirul; MARTHA, Rahma Diyan; KHOLIFAH, Siti Nurriyatul. Calcium Reduction Using Variations of Thickness and Retention Time of Cocoa Shell Activated Carbon. Chempublish Journal, [S. l.], v. 7, n. 1, p. 42–53, 2023. DOI: 10.22437/chp.v7i1.24768. Disponível em: https://www.online-journal.unja.ac.id/chp/article/view/24768. Acesso em: 2 may. 2026.