Mansur, Nuraeni, Supriadi Torro, A. Octamaya Tenri Awaru, and Najamuddin Najamuddin. 2025. “Analysis of Obstacles in Problem-Based Learning on the Development of Students Critical Thinking Skills at SMA Negeri 7 Bone”. International Journal of Science and Environment (IJSE) 5 (2):113-17. https://doi.org/10.51601/ijse.v5i2.129.