Al- Samarrai, Murad Ahmed Khalaf, and Aous Memir Qadir Al-Alawi. 2020. “The Effecf of Using a Differentiated Second-Graders, Intermediate, in Social Studies and the Development of Their Inferential Thinking”. Journal of Tikrit University for Humanities 27 (4):367-93. https://doi.org/10.25130/jtuh.27.4.2020.18.