Nworie, F. S., F. Nwabue, W. Oti, E. Mbam, and B. Nwali. “REMOVAL OF METHYLENE BLUE FROM AQUEOUS SOLUTION USING ACTIVATED RICE HUSK BIOCHAR: ADSORPTION ISOTHERMS, KINETICS AND ERROR ANALYSIS”. Journal of the Chilean Chemical Society, Vol. 64, no. 1, Mar. 2019, https://www.jcchems.com/index.php/JCCHEMS/article/view/1047.