Deb , Aossaf, and Saba Ali. “The Effect of Using Collective Competition Strategy in the Application of Professional Education for Students of Basic Sixth Grade in the Field of Sculpture”. Tishreen University Journal- Arts and Humanities Sciences Series 38, no. 3 (February 20, 2017). Accessed May 5, 2024. https://journal.tishreen.edu.sy/index.php/humlitr/article/view/2462.