Febrina, Dwi, and Gamaliel Airlanda. 2020. “Meta Analisis Pengaruh Problem Based Learning Terhadap Keterampilan Berpikir Kritis Di Sekolah Dasar”. Jurnal Ilmiah Wahana Pendidikan 6 (4), 564-72. https://doi.org/10.5281/zenodo.4297499.