“PENGARUH MODEL PEMBELAJARAN PROBLEM BASED LEARNING TERHADAP KEMAMPUAN BERPIKIR KRITIS SISWA SEKOLAH DASAR”. JURNAL HANDAYANI PGSD FIP UNIMED, vol. 15, no. 1, July 2024, pp. 138-44, https://doi.org/10.24114/jh.v15i1.58575.