Amin, Salwa Ahmed. “The Psychological Barriers for Higher Education students’ Ability of Giving at Salahuddin University”. Zanco Journal of Human Sciences 24, no. 6 (December 25, 2020): 81–96. Accessed July 6, 2024. https://zancojournal.su.edu.krd/index.php/JAHS/article/view/2144.