“The Effect of a Proposed Strategy in Thinking on the Achievement and Deductive Thinking of First-Grade Students in Middle School in Mathematics”. Journal of the College of Basic Education 28, no. 114 (April 7, 2022): 54–77. Accessed July 3, 2024. https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/5389.