ALMAN, Alman; PURWANTY, Wanda Nely Intim. Pengaruh Problem Based Learning Terhadap Kemampuan Pemecahan Masalah Matematika di Kelas IV SD Ypk Lahairoy Yensawai. Jurnal Papeda: Jurnal Publikasi Pendidikan Dasar, [S. l.], v. 4, n. 1, p. 55–61, 2022. Disponível em: https://e-journal.unimudasorong.ac.id/index.php/jurnalpendidikandasar/article/view/1778. Acesso em: 19 apr. 2025.