"Using maps of quality control in the analysis of drinking water for the Institute of Technical / Essaouira" (2014) Al Kut Journal of Economics and Administrative Sciences, 6(13), ص 266–283. موجود في: http://kjeas.uowasit.edu.iq/index.php/kjeas/article/view/162 (تاريخ الوصول: 24 أكتوبر 2026).