Puspitasari L, soraya luluk. Pengaruh Model PBL Berbantuan Papan Diagram Batang Terhadap Kemampuan Memecahkan Masalah Matematika Siswa Kelas IV. Jurnal PGSD UNIPOL [Internet]. 2023 Jul. 29 [cited 2024 Oct. 5];1(2):175-82. Available from: https://jurnal.pgsd.unipol.ac.id/index.php/home/article/view/26