J. Tongco, W. C. Silvederio, P. J. Salanawon, and J. Mercado, “Development of Virtual Laboratory Simulation: e-SCILAB on Waves for Grade 7 Science”, Int. J. Multidiscip. Appl. Bus. Edu. Res., vol. 2, no. 11, pp. 1283–1297, Nov. 2021, doi: 10.11594/10.11594/ijmaber.02.11.20.