Mustafa, Lujain Salim, and Omar Abdullah Ahmed. “The Effect of Using 4H Strategy in Teaching Geography to Preparatory Fourth-Grade Students of Human Studies”. Journal of Tikrit University for Humanities 29, no. 9, 2 (September 30, 2022): 310–340. Accessed October 19, 2026. https://jtuh.org/index.php/jtuh/article/view/74.