يوسف سمر. “Twenty-First Century Skills Included in the Content of the Social Studies Curriculum for the Sixth Grade in Syria”. Latakia University Journal - Arts and Humanities Sciences Series 46, no. 5 (December 6, 2024): 133–153. Accessed July 30, 2025. https://journal.latakia-univ.edu.sy/index.php/humlitr/article/view/17803.