“EVALUATION OF THE ADSORPTION POTENTIAL OF RUBBER (HEVEA BRASILIENSIS) SEED PERICARP-ACTIVATED CARBON IN ABATTOIR WASTEWATER TREATMENT AND IN THE REMOVAL OF IRON (III) IONS FROM AQUEOUS SOLUTION” (2012) Nigerian Journal of Technology, 31(3), pp. 346–358. doi:10.4314/njt.313.563.