“Coagulation-Flocculation Process to Treat Pulp and Paper Mill Wastewater by Fenugreek Mucilage Coupled With Alum and Polyaluminum Chloride”. Al-Khwarizmi Engineering Journal 7, no. 3 (September 30, 2011): 39–47. Accessed May 4, 2024. https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/75.