Daniel Eneji Sani, John O. Idoko, Enyojo Samson Okwute and Matthew Chijioke Apeh 2020. Adsorption of phenol onto unactivated Moringa oleifera Seed Shells residue by UV -visible spectrophotometer. GSC Biological and Pharmaceutical Sciences. 13, 2 (Nov. 2020), 080–090. DOI:https://doi.org/10.30574/gscbps.2020.13.2.0354.