Osifeko, O. L, O. C. O. C.; Oguntade, B. K.; Petrik, L. F.; Wusu, A. D. REMOVAL OF CADMIUM (II), COBALT (II) AND NICKEL (II) IONS FROM AQUEOUS SOLUTION USING CORNCOB WASTE. UJMST 2019, 5, 152-167.