الخدام د. ح. خ. The University Youths’ Attitudes towards Voluntary Work. Journal of Al-Quds Open University for Humanities and Social Studies, [S. l.], v. 1, n. 31, 2017. Disponível em: https://journals.qou.edu/index.php/jrresstudy/article/view/832. Acesso em: 3 jul. 2024.