العكاش ر., رغداء نصور, & منار العدي. (2024). he degree of availability of some basic science process skills in the content of the science textbook for the fourth grade. Tishreen University Journal- Arts and Humanities Sciences Series, 46(1), 899–915. Retrieved from https://journal.tishreen.edu.sy/index.php/humlitr/article/view/16516