Abdullahi, S. L, and A.A Audu. 2018. “Characterization of Ashaka and Tango Bentonites Surfaces After Modification With Benzyl Dimethyl Dodecyl and Dimethyl Dioctadecyl Ammonium Chlorides.”. Journal of Chemical Society of Nigeria 43 (1). http://journals.chemsociety.org.ng/index.php/jcsn/article/view/138.