1.
Samadun S, Dwikoranto D. Improvement of Student’s Critical Thinking Ability sin Physics Materials Through The Application of Problem-Based Learning. IJORER  Int. J. Recent Educ. Res. [Internet]. 2022Sep.30 [cited 2025Aug.18];3(5):534-45. Available from: https://journal.ia-education.com/index.php/ijorer/article/view/247