Duaa Awad Ghni, Researcher, and Researcher Hawaa Aziz. “The Level of Teaching Competencies of Middle School Science Teachers and Their Relationship to students’ Self-Learning”. Lark, vol. 15, no. 3 /Pt1, June 2023, pp. 861-33, https://doi.org/10.31185/lark.Vol2.Iss50.3099.