Ngo, T. T., M. N. Nguyen, T. N. Ly, T. H. T. Tran, D. D. Nguyen, and S. Chanatip. “Statistical Analysis of Activation Factors for Coffee Husk Derived Activated Carbon on Chromium (VI) Adsorption and Carbon Yield ”. ASEAN Journal of Chemical Engineering, Vol. 24, no. 2, Aug. 2024, pp. 141-55, doi:10.22146/ajche.12034.