Purwanto, Joko, Gunawan Gunawan, and Jaka Wijaya Kusuma. 2023. “IMPROVING PERSONAL RESILIENCE AND STUDENT LEARNING ACHIEVEMENT THROUGH PROBLEM-BASED INSTRUCTION LEARNING”. International Journal of Economy, Education and Entrepreneurship (IJE3) 3 (1):200-206. https://doi.org/10.53067/ije3.v3i1.135.