Jaeel, A. (2016) Investigation the Optimum Combined Dosages of Date Seeds Powder as Natural Coagulant with Chemical Coagulants in Domestic Wastewater Pretreatment, مجلة الهندسة, 22(6), ص 76-86. موجود في: http://joe.uobaghdad.edu.iq/index.php/main/article/view/205 (تاريخ الوصول: 20نوفمبر2019).