B. Kurniaaji, K. Khabiburrahman, A. Sudargono, and P. Rohsulina, “The effect of e-learning on the Geography Education students’ levels of understanding at Universitas Veteran Bangun Nusantara”, J. Geogr. Sci. Educ., vol. 4, no. 1, pp. 26–31, Aug. 2023.