Yarmidanis, Yarmidanis. “Upaya Meningkatkan Minat Belajar Matematika Materi Bangun Ruang Melalui Model Pembelajaran Problem Based Learning Kelas VI Sdn 009 Terantang”. Journal of Development Education and Learning (JODEL) 1, no. 2 (September 28, 2023): 72–78. Accessed January 14, 2026. https://jodel.or.id/index.php/jodel/article/view/65.