PURWANTO, J. .; GUNAWAN, G.; KUSUMA, J. W. . IMPROVING PERSONAL RESILIENCE AND STUDENT LEARNING ACHIEVEMENT THROUGH PROBLEM-BASED INSTRUCTION LEARNING. International Journal of Economy, Education and Entrepreneurship (IJE3), [S. l.], v. 3, n. 1, p. 200–206, 2023. DOI: 10.53067/ije3.v3i1.135. Disponível em: http://ije3.esc-id.org/index.php/home/article/view/135. Acesso em: 23 jun. 2026.