Lestari, Devi, Imas Masriah, Adelia Yesya Putri Hasibuan, and Pina Budiarti Pratiwi. 2026. “FTIR Analysis of ZnO-Functionalized Activated Carbon Derived from Oil Palm Empty Fruit Bunches for Potential Photocatalytic Applications”. Jurnal Bio-Geo Material Dan Energi 6 (1):51-57. https://doi.org/10.22437/j-bigme.v6i1.49493.