TI - Investigation of the effect of current density and PH on oil and grease removal from leather industry wastewaters by electrocoagulation method AU - , Z.B.R. AU - , F.E.T. AU - , S.K. AU - , Å.Ä. SO - Sigma Journal of Engineering and Natural Sciences 2022;40:705-714. DO - 10.14744/sigma.2022.00086