Sappaile, Baso Intang, Mokhammad Wahyudin, Ahmadin Ahmadin, Lindawati Lindawati, and Happy Kusuma Wardani. 2025. “Integrating Problem-Based Learning to Develop Critical Thinking Competencies in Secondary Education”. International Journal of Educational Research Excellence (IJERE) 4 (1):345-54. https://doi.org/10.55299/ijere.v4i1.1437.