KAJIAN EKSPERIMENTAL PROBLEM BASED LEARNING PADA KETERAMPILAN BERPIKIR KRITIS MATEMATIKA SISWA SMP. Mathematics Education and Application Journal (META), [S. l.], v. 7, n. 1, p. 44–54, 2025. DOI: 10.35334/82hg9870. Disponível em: https://jurnal.ubt.ac.id/index.php/jurnalmeta/article/view/529. Acesso em: 5 nov. 2026.