Prediction and optimisation of coagulation-flocculation process for turbidity removal from aquaculture effluent using Garcinia kola extract: Response surface and artificial neural... oleh Chinenye Adaobi Igwegbe, Joshua O. Ighalo, Kingsley O. Iwuozor, Okechukwu Dominic Onukwuli, Patrick Ugochukwu Okoye, Aiman Eid Al-Rawajfeh