Alobiedallah, Tamara Awad. “The Inclusion of Constructivist Theory Principles, in Sixth, Seventh and Eighth Grades. Science Textbook in Saudi Arabia”. Journal of Educational and Psychological Sciences 5, no. 29 (August 29, 2021): 65–89. Accessed December 27, 2025. https://journals.ajsrp.com/index.php/jeps/article/view/3999.