Y. Yulia and M. Mawardi, “META ANALISIS EFEKTIFITAS PROBLEM BASED LEARNING DAN PROBLEM SOLVING DITINJAU DARI KEMAMPUAN BERPIKIR KRITIS SISWA SEKOLAH DASAR”, JGK, vol. 5, no. 2, pp. 21–32, Mar. 2021, doi: 10.24114/jgk.v5i2.23901.