Minshar, D.M.M.A. 2022. The Effect of Using Problem Based Learning on Developing the Critical Thinking Ability among Secondary Stage Students. مجلة العلوم التربوية و الدراسات الإنسانية. 26 (نوفمبر 2022), 616–623. DOI:https://doi.org/10.55074/hesj.v0i26.586.