Qasim, Abdulamir H. “Causes and Side Effects of Changing Water Quality in Khassa-Chai River in Kirkuk, Iraq”. Scientific Review Engineering and Environmental Sciences (SREES) 30, no. 2 (March 30, 2021): 271–282. Accessed November 21, 2024. https://srees.sggw.edu.pl/article/view/1897.