A. Rahi, Muna, and Ayad A. H. Faisal. 2019. “Performance of Subsurface Flow Constructed Wetland Systems in the Treatment of Al-Rustumia Municipal Wastewater Using Continuous Loading Feed”. Iraqi Journal of Chemical and Petroleum Engineering 20 (2): 33-40. https://doi.org/10.31699/IJCPE.2019.2.5.