ABYAN, Ramzi; GUNOWIBOWO, Pentatito; WIDYASTUTI. Pengaruh Model Problem Based Learning Terhadap Peningkatan Kemampuan Penalaran Matematis Siswa Kelas IX SMPN 1 Kalianda. Mandalika Mathematics and Educations Journal, [S. l.], v. 7, n. 1, p. 152–163, 2025. DOI: 10.29303/jm.v7i1.7419. Disponível em: http://jurnalfkip.unram.ac.id/index.php/MANDALIKA/article/view/7419. Acesso em: 3 apr. 2025.