Daniel Eneji Sani; John O. Idoko; Enyojo Samson Okwute; Matthew Chijioke Apeh. Adsorption of Phenol onto Unactivated Moringa Oleifera Seed Shells Residue by UV -Visible Spectrophotometer. GSC Biol. Pharm. Sci. 2020, 13, 080-090.