S. Syaifuddin, P. Marwoto, R. S. Iswari, E. Cahyono, and S. Sarwi, “Development of Sound Experimentation Tool using Android-Based Sound Analysis Oscilloscope Software”, jppipa, pendidikan ipa, fisika, biologi, kimia, vol. 8, no. 6, pp. 2641–2646, Dec. 2022.