Dwi Lestari, Wahyu. “Improving Science Learning Outcomes on Vibration and Wave Materials Through Discovery Learning for SMP Negeri 1 Tegalrejo”. Co-Catalyst: Journal of Science Education Research and Theories 1, no. 2 (January 31, 2024). Accessed November 21, 2024. https://jurnal.ut.ac.id/index.php/co-catalyst/article/view/7494.