Minshar DMMA. The Effect of Using Problem Based Learning on Developing the Critical Thinking Ability among Secondary Stage Students. hesj [انترنت]. 20 نوفمبر، 2022 [وثق 24 سبتمبر، 2026];(26):616-23. موجود في: https://hesj.org/ojs/index.php/hesj/article/view/586