Roemintoyo R, Budiarto MK. Flipbook as Innovation of Digital Learning Media: Preparing Education for Facing and Facilitating 21st Century Learning. J. Educ. Technol. [Internet]. 2021 Apr. 8 [cited 2024 May 5];5(1):8-13. Available from: https://ejournal.undiksha.ac.id/index.php/JET/article/view/32362