Chia, C. H., Zakaria, S. ., Sajab, M. S. ., & Saad, M. J. (2022). Activated Carbon Produced from Rice Husk by NaOH and KOH Activation and its Adsorption in Methylene Blue. Advances in Agricultural and Food Research Journal, 3(2). https://doi.org/10.36877/aafrj.a0000297