Khairudin, A.; Haji Muhammad, M.; Suhaimi, S.; Hashim, U. H.; Mukhtar, M.; Mohd Taib, N. A.; Mohamad Isa, M. I. N.; Ahmad Khiar, A. S. Preparation and Characterization of Rice Husk Biochar-Based Chemical Activated Carbon in Varying Particle Size. Karya Int Jour. Biofuel and Bioener. 2025, 1, 58-68.