Salih, Miqat Hasan, and Ahmed Faiq Al-Alawy. “Crystallization Process As a Final Part of Zero Liquid Discharge System for Treatment of East Baghdad Oilfield Produced Water”. Iraqi Journal of Chemical and Petroleum Engineering, vol. 23, no. 1, Mar. 2022, pp. 15-22, https://doi.org/10.31699/IJCPE.2022.1.3.