ROEMINTOYO, R.; BUDIARTO, M. K. Flipbook as Innovation of Digital Learning Media: Preparing Education for Facing and Facilitating 21st Century Learning. Journal of Education Technology, [S. l.], v. 5, n. 1, p. 8–13, 2021. DOI: 10.23887/jet.v%vi%i.32362. Disponível em: https://ejournal.undiksha.ac.id/index.php/JET/article/view/32362. Acesso em: 5 may. 2024.