Ahmed, T. O., B. A. Sulle, E. F. Egila, and A. Bello. “Activated Carbon for Electrochemical Supercapacitor and Water Filter”. Journal of Materials Science Research and Reviews 3, no. 1 (April 26, 2019): 1-15. Accessed September 19, 2019. http://journaljmsrr.com/index.php/JMSRR/article/view/30087.