UsmanM. M., AbdulkareemM. N., MuhammadA., and HamzaK., “ENVIRONMENTAL IMPACT ASSESSMENT OF HEAVY METALS EFFLUIENT (CHROMIUM & NICKEL) RELEASED INTO ROMI RIVER, KADUNA STATE: A CASE STUDY ”, FJS, vol. 4, no. 3, pp. 704 - 707, Sep. 2020.