NOVITA SARI, Jihan; HIQMA , Nur; RAFIKI, Niken Aufa; HARAHAP, Nur Aisyah Finanda; DAMAYANTI, Nirwana; AZIZAH, Nurul. Innovations in 21st Century Education: An Experimental Investigation of the Effect of Problem Based Learning on Students’ Learning Autonomy. Action Research Journal Indonesia (ARJI), [S. l.], v. 7, n. 3, p. 1492 – 1506, 2025. DOI: 10.61227/arji.v7i3.416. Disponível em: https://journal.nahnuinisiatif.com/ARJI/article/view/416. Acesso em: 11 may. 2026.