Andiani, B., C. Riyanto, and Y. Martono. “Characterization of Cassava (Manihot Esculenta Crantz) Peel Activated Carbon Based on Impregnation Ratio and Activation Temperature”. Stannum : Jurnal Sains Dan Terapan Kimia, Vol. 4, no. 1, May 2022, pp. 19-26, doi:10.33019/jstk.v4i1.2533.