“FOSTERING 21 ST CENTURY SKILLS IN PRE-SERVICE TEACHERS THROUGH PROBLEM BASED LEARNING: INTEGRATING REAL- WORLD PROBLEM SOLVING IN TEACHER EDUCATION PROGRAM”, IJSSB, vol. 3, no. 1, pp. 529–538, Jan. 2025, Accessed: Aug. 06, 2026. [Online]. Available: https://ijssbulletin.com/index.php/IJSSB/article/view/366