Suleiman, Jamaal, Maisaa Hamdan, and Hanaa Alrhia. “The Level Of Perfection Teachers of History at the Secondary Level for Effective Teaching Skills”. Tishreen University Journal- Arts and Humanities Sciences Series 39, no. 4 (September 13, 2017). Accessed November 24, 2024. https://journal.tishreen.edu.sy/index.php/humlitr/article/view/3110.