1.
Siregar NS, Rangkuti I. Pengaruh Model Problem-Based Learning Berbantuan Media Audio Visual Terhadap Hasil Belajar Matematika Siswa Kelas V. jptam [Internet]. 2023 Jul. 16 [cited 2025 Feb. 6];7(2):10397-40. Available from: http://jptam.org/index.php/jptam/article/view/8006