PANJAITAN, Fenny Febrianti Br.; SIMANUNGKALIT, Rick Hunter; MARBUN, Yanty Maria. Pengaruh Model Pembelajaran Problem Based Learning Terhadap Kemampuan Pemecahan Masalah Matematika Kelas VII. Jurnal Ilmu Pendidikan dan Sosial, [S. l.], v. 4, n. 4, p. 1115–1128, 2026. DOI: 10.58540/jipsi.v4i4.2313. Disponível em: https://www.putrapublisher.org/index.php/jipsi/article/view/2313. Acesso em: 17 aug. 2026.