PUSPITASARI, L.; SORAYA, luluk. Pengaruh Model PBL Berbantuan Papan Diagram Batang Terhadap Kemampuan Memecahkan Masalah Matematika Siswa Kelas IV. Jurnal PGSD Universitas Lamappapoleonro, [S. l.], v. 1, n. 2, p. 175–182, 2023. DOI: 10.57093/jpgsdunipol.v1i2.26. Disponível em: https://jurnal.pgsd.unipol.ac.id/index.php/home/article/view/26. Acesso em: 4 dec. 2024.