Fayyad Al – Jubouri, Maad Salih, and Majed Abdel Nasif Al – Azi. “The Impact of Strategy 4h in the Achievement of Fifth Grade Students in the History and Development of Their Systemic Thinking”. Journal of Tikrit University for Humanities 26, no. 6 (September 25, 2019): 479–501. Accessed August 4, 2026. https://jtuh.org/index.php/jtuh/article/view/712.