1.
Fadhilah, Miaz Y, Fitria Y, Zen Z. Problem-Based Learning Model and Motivation on Students’ Critical Thinking Ability in Natural and Social Science Learning. IRJE [Internet]. 2023 Dec. 31 [cited 2026 Apr. 17];7(2):502-17. Available from: https://www.online-journal.unja.ac.id/irje/article/view/31616