Oyedoh, Eghe A., and Michael C. Ekwonu. 2016. “EXPERIMENTAL INVESTIGATION ON CHROMIUM(VI) REMOVAL FROM AQUEOUS SOLUTION USING ACTIVATED CARBON RESORCINOL FORMALDEHYDE XEROGELS”. Acta Polytechnica 56 (5):373-78. https://doi.org/10.14311/AP.2016.56.0373.