المزين أ.د.سليمان حسين موسى. “Palestinian University students’ Attitudes towards Voluntary Work in the Light of Some Variables”. Journal of Al-Quds Open University for Educational & Psychological Research & Studies 4, no. 16 (May 9, 2017). Accessed May 19, 2024. https://journals.qou.edu/index.php/nafsia/article/view/208.