Yunus, Sufiani, and St. Humaerah Syarif. “Pengembangan Bahan Ajar Berbasis Contextual Teaching and Learning Materi Getaran, Gelombang Dan Bunyi”. Journal of Education Research, vol. 5, no. 4, Nov. 2024, pp. 5507-20, doi:10.37985/jer.v5i4.1756.