Erna Frida, Syahrul Humaidi, & Fathi Marzuqi. (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), 1911–1919. https://doi.org/10.54443/morfai.v5i4.3146