Ahmed, Rashid H. “Psychological Combustion and Its Relationship to the Effectiveness of Educational Self-Teaching at the University of Dohuk”. Academic Journal of Nawroz University 8, no. 1 (March 10, 2019): 143–155. Accessed July 3, 2024. https://journals.nawroz.edu.krd/index.php/ajnu/article/view/313.