Anyikwa Sylvester O., P.C Nnaji., O.D Onukwuli., Edwin Ikezue., Chigoziri N. Njoku., Chinwendu Umeojiakor T. & Onwuchewa Chidiebere 2025. Response Surface Optimization of the Treatment of Pharmaceutical Wastewater Using Snail Shell Powders a Natural Coagulant. Archives of Current Research International. 25, 5 (May 2025), 593–608. DOI:https://doi.org/10.9734/acri/2025/v25i51237.