Nuradi, R. F. ., M. . Muldarisnur, and Y. . Yetri. “Synthesis of Supercapacitor from Cocoa Fruit Peel Activated Carbon for Energy Storage”. JURNAL ILMU FISIKA, vol. 14, no. 2, July 2022, pp. 86-94, doi:10.25077/jif.14.2.86-94.2022.