Sulistyo, W. D., Lukmanul Khakim, M. N., Jauhari, N., & Anggraeni, R. D. (2021). Fun Learning History: Explore the History of Water Sites Based on Android. International Journal of Emerging Technologies in Learning (iJET), 16(07), pp. 105–118. https://doi.org/10.3991/ijet.v16i07.21215