Prof. Dr. Chachan Jumaa Mohammed, و Heman Ahmad Abdulla. 2021. "The Obstacles of Using Effective Teaching Methods in Higher Education from the Viewpoint of Faculty Members of General Science Departments in Kurdistan Region – Iraq". Journal of Arts, Literature, Humanities and Social Sciences, عدد 74 (ديسمبر), 242-55. https://doi.org/10.33193/JALHSS.74.2021.614.