Simanjuntak, B.R., Desnita, D. and Budi, E. 2018. The Development of Web-based Instructional Media for Teaching Wave Physics on Android Mobile. Jurnal Penelitian & Pengembangan Pendidikan Fisika. 4, 1 (Jun. 2018), 1 - 10. DOI:https://doi.org/10.21009/1.04101.