Umar, Garba. 2021. “Test of the Randomness of Residuals for the Pseudo-1st Order Kinetic Modelling of Adsorption of the Brominated Flame Retardant 4-Bromodiphenyl Ether onto Biochar-Immobilized Sphingomonas Sp”. Bioremediation Science and Technology Research (e-ISSN 2289-5892) 9 (1):27-31. https://doi.org/10.54987/bstr.v9i1.594.