Buang, Y., S. Suwari, D. Tambaru, and A. Ola. “Performances of Zeolite, Coconut Shell, and Zeolite+Coconut Shell-Based Water Cartridges to Minimize Contaminants of Drinking Water”. Journal of Applied Chemical Sciences, Vol. 5, no. 1, Dec. 2019, pp. 377-82, doi:10.35508/jacs.v5i1.1737.