RAHAYU, A. P.; MASDUKI, Y.; WAHARJANI, W.; SUTARMAN, S. Construction of Humanistic Character thru IPM Extracurricular Programs: A Case Study at Muhammadiyah Yogyakarta High School . Journal of Indonesian Progressive Education, [S. l.], v. 3, n. 1, p. 113–120, 2026. DOI: 10.63617/jipe.v3i1.133. Disponível em: https://icipi.org/index.php/JIPE/article/view/133. Acesso em: 27 mar. 2026.