Jnad, R., M. Sultan, and R. G. Jahjah. “The Effect of Using Six Thinking Hats in Improving the Learning Motivation of Social Studies (A Semi Empirical Study on the Sixth Basic Graders in Lattakia City)”. Tishreen University Journal- Arts and Humanities Sciences Series, vol. 42, no. 1, Jan. 2020, https://journal.tishreen.edu.sy/index.php/humlitr/article/view/9381.