Febriana, T., & Indarini, E. (2020). Komparasi Pembelajaran Problem Based Learning (PBL) dan Problem Solving terhadap Kemampuan Berpikir Kritis Matematis Siswa Sekolah Dasar. Jurnal Basicedu, 4(4), 1016–1020. https://doi.org/10.31004/basicedu.v4i4.494