علي مرفت. “The Effectiveness of Educational Program Based on the Cooperative Learning Strategy to Development Some of Mathematical Concepts in Kindergarten”. Tishreen University Journal- Arts and Humanities Sciences Series 42, no. 5 (November 13, 2020). Accessed November 23, 2024. https://journal.tishreen.edu.sy/index.php/humlitr/article/view/10030.