Rizki, B. F. S., Harjono, A., Rahmatih, A. N., & Fauzi, A. (2024). Kemampuan Berpikir Kritis Matematika Peserta Didik Kelas IV dengan Model Problem Based Learning (PBL). Journal of Classroom Action Research, 6(4). https://doi.org/10.29303/jcar.v6i4.9025