The effect of a strategy based on the principle of refutation by Karl Popper on the achievement of Arabic grammar and the development of critical thinking among students in the fifth grade of applied sciences. JIKCHS [Internet]. 2023 Dec. 31 [cited 2026 Jun. 17];7(4):380-408. Available from: https://journal.iku.edu.iq/index.php/JICK/article/view/104