Omer, Luqman Wsw, and Mohammed Qader Rasool. “Geographical Analysis of Repeat Cold Waves in Kurdistan Region for the Period 2000-2017”. Journal of University of Raparin 8, no. 2 (June 20, 2021): 310–344. Accessed April 19, 2024. https://journal.uor.edu.krd/index.php/JUR/article/view/Paper_14.