V. Natividad-Franco and J. D. . Espino, “Graduate Students’ Perceptions of Online Learning: Implications for Distance Education Programs”, Int. J. Multidiscip. Appl. Bus. Edu. Res., vol. 6, no. 10, pp. 5366–5376, Oct. 2025, doi: 10.11594/ijmaber.06.10.37.