Putri, Y. J. J., Desnita, D. and Satri, Y. (2024) “Validity and Practicality of Student Worksheet Integrated by Sound Wave Experiment Set Using Smartphone with Sound Analyzer Basic 1.10.2 and Frequency Generator 2.6 Software”, Jurnal Penelitian & Pengembangan Pendidikan Fisika, 10(1), pp. 123–138. doi: 10.21009/1.10111.