Erna Frida, Syahrul Humaidi, and Fathi Marzuqi. “UTILIZATION OF ACTIVATED CARBON FROM ELEPHANT GRASS (PENNISETUM PURPEREUM) AND MANGANESE DIOXIDE AS SUPERCAPACITOR ELECTRODES”. Multidiciplinary Output Research For Actual and International Issue (MORFAI) 5, no. 4 (June 12, 2025): 1911–1919. Accessed June 21, 2025. https://radjapublika.com/index.php/MORFAI/article/view/3146.