Irwan, A., Ulumiyah, D., Dinda, D., Saila, N. and Andrayni, M. 2026. Investigating the Impact of Problem-Based Learning on Students’ Critical Thinking and Learning Autonomy in the Context of Primary Education. Journal of Innovation and Research in Primary Education. 5, 1 (Jan. 2026), 566–573. DOI:https://doi.org/10.56916/jirpe.v5i1.2831.