J. E. Samaco, A. Cabanes, and J. T. Minoza, “Electronic Math Problems Analyses and Mastery of Operations, Rules, and Expressions (E-Math Pa More) on the Performance of Grade 9 Students”, Int. J. Multidiscip. Appl. Bus. Edu. Res., vol. 5, no. 3, pp. 878–892, Mar. 2024, doi: 10.11594/ijmaber.05.03.12.