Hardiantiningsih, Istiningsih, S. ., & Hasnawati. (2023). Pengaruh Model Pembelajaran Problem Based Learning (Pbl) Terhadap Kemampuan Berpikir Kritis Siswa . Journal of Classroom Action Research, 5(2), 297–303. https://doi.org/10.29303/jcar.v5i2.3737