Khamis Al Dulaimi, T. H., and A. H. Abdulla Al Ajelly. “The Impact of the Constructive Approach on the Achievement of the Second Grade Intermediate Students in Social Studies and the Development of Their Higher-Order Thinking”. Journal of Tikrit University for Humanities, vol. 30, no. 8, 2, Aug. 2023, pp. 308-26, doi:10.25130/jtuh.30.8.2.2023.14.