I. Abdul-Wahab, Majid, Nada N. AI-Ghanim, and Baseem H. Essebbag. “Performance of Dual-Media Down-Flow Rapid Gravity Filters”. Iraqi Journal of Chemical and Petroleum Engineering 8, no. 1 (March 30, 2007): 19–25. Accessed November 22, 2024. https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/460.