2026. Synthesis and Photocatalytic Performance of ZnO-Impregnated Activated Carbon Derived from Oil Palm Fronds for Congo Red Degradation. Jurnal Akta Kimia Indonesia (Indonesia Chimica Acta). 19, 1 (Aug. 2026), 33–39. DOI:https://doi.org/10.70561/ica.v19i1.49986.