“ANALISIS PEMAHAMAN KONSEP PESERTA DIDIK DENGAN INSTRUMEN FOUR TIER DIAGNOSTIC TEST PADA MATERI GELOMBANG MEKANIK”, snami, vol. 1, pp. 138–146, Oct. 2018, Accessed: May 30, 2026. [Online]. Available: https://ejournal.unwaha.ac.id/index.php/snami/article/view/279