RAMAS, Sumathy; M. YASIN, Ruhizan; HAFIZAH ADNAN, Nor. Investigation on Heutagogy Approach in Education System: A Systematic Review. International Journal of Academic Research in Progressive Education and Development, [S. l.], v. 12, n. 2, 2023. Disponível em: https://ijarped.com/index.php/journal/article/view/1285. Acesso em: 22 jul. 2025.