Kadarisma G, Indah JP, Annisa DP, Fitria NA, R W. Innovative e-book to numeracy skill improvement: The role of flip HTML5 in digital pocket book development. J. Honai Math [Internet]. 2024 Jul. 17 [cited 2025 Nov. 6];7(2):215-32. Available from: https://journalfkipunipa.org/index.php/jhm/article/view/562