Suriani, N. M., K. Agustini, I. G. W. Sudhata, and G. R. Dantes. “The Effectiveness of E-Book in Learning Process: A Systematic Literature Review”. International Journal of Social Sciences, vol. 6, no. 2, Apr. 2023, pp. 43-50, doi:10.21744/ijss.v6n2.2103.