FAUDZIAH, W. S.; BUDIMAN, I. A. Efektivitas Penggunaan Model Problem Based Learning (PBL) terhadap Kemampuan Berpikir Kritis Matematis Siswa SD. Papanda Journal of Mathematics and Science Research, [S. l.], v. 2, n. 1, p. 22–29, 2023. DOI: 10.56916/pjmsr.v2i1.272. Disponível em: https://ejournal.papanda.org/index.php/pjmsr/article/view/272. Acesso em: 12 jan. 2026.