Fathi Marzuqi, Erna Frida and Syahrul Humaidi 2025. 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, 4 (Jun. 2025), 1911–1919. DOI:https://doi.org/10.54443/morfai.v5i4.3146.