Kamal, S.K. , Mohammed, A.E. , Alabdraba, W.M. , Hamed, H.H. and Waly, K.A. 2020. Industrial Wastewater Treatment in North Gas Company By Using Coagulation – Flocculation Process. Journal of Petroleum Research and Studies. 10, 4 (Dec. 2020), 252-269. DOI:https://doi.org/10.52716/jprs.v10i4.381.