FRIANTO, O.; RELMASIRA, S. C.; HARDINI, A. T. A. Meningkatkan Kemampuan Pemecahan Masalah Matematika melalui Penerapan Model Pembelajaran Problem Based Learning (PBL) berbantuan Media Realia pada Siswa Kelas IV SD. International Journal of Elementary Education, [S. l.], v. 2, n. 4, p. 348–354, 2018. DOI: 10.23887/ijee.v2i4.16115. Disponível em: https://ejournal.undiksha.ac.id/index.php/IJEE/article/view/16115. Acesso em: 2 may. 2024.