Ismail, Mohamed A., and Ahmed B. Hasan. 2019. “The Extent of Depending on Handouts and Other Learning Sources in University Education: An Empirical Study on Students in Sudanese Universities in Khartoum State”. The Arab Journal For Quality Assurance in Higher Education 12 (39):3-30. https://doi.org/10.20428/ajqahe.v12i39.1486.