M. Shabe, Kadhum, Suhama E. Salah, and Mervit M. Janbi. 2011. “Coagulation-Flocculation Process to Treat Pulp and Paper Mill Wastewater by Fenugreek Mucilage Coupled With Alum and Polyaluminum Chloride”. Al-Khwarizmi Engineering Journal 7 (3): 39-47. https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/75.