Sariasih NP. Model Problem Based Learning Berbantuan Media Sederhana untuk Meningkatkan Hasil Belajar Matematika Siswa Kelas V SD . Indonesian j. of inst. [Internet]. 2023 May 1 [cited 2024 Jul. 17];4(2):66-75. Available from: https://ejournal.undiksha.ac.id/index.php/IJI/article/view/60839