Dwiki Ramanda, Galih, Is Fatimah, Suresh Sagadevan, and Mohd Rafie Bin Johan. “Ni-Decorated Biochar from Palm Leaves Waste As Low-Cost Photocatalyst for Dye Degradation of Methyl Orange”. EKSAKTA: Journal of Sciences and Data Analysis 6, no. 2 (October 29, 2025). Accessed December 5, 2025. https://journal.uii.ac.id/Eksakta/article/view/43386.