Assist.Prof. Dr. Muhammad Jawad Kazem Al-Azzawi and Lect. Imad Abdul Wahid Katea 2020. The Effectiveness of the Nescar and Brown Method in the Development of Structural Thinking among the Fifth Grade Students in History. Journal of Arts, Literature, Humanities and Social Sciences. 57 (Aug. 2020), 276-290. DOI:https://doi.org/10.33193/JALHSS.57.2020.206.