YUSUFFK. M., LawalM., AuduA. T., and Wale-OrojoO. A., “RESPONSE SURFACE METHODOLOGY VIA DESIRABILITY FUNCTION TECHNIQUES FOR OPTIMIZING CORRELATED RESPONSES OF ELECTRICAL CONDUCTIVITY AND TOTAL DISSOLVED SOLIDS OF SELECTED BOREHOLE WATER”, FJS, vol. 4, no. 3, pp. 333 - 342, Sep. 2020.