Hakam MSAA, Untari RS. Development E-Module Flipbook-Based in Basic Programming Subjects in Vocational High School: Pengembangan E-Modul Berbasis Flipbook Pada Mata Pelajaran Pemrograman Dasar di SMK. acopen [Internet]. 2021 Oct. 21 [cited 2025 Aug. 28];4:10.21070/acopen.4.2021.3093. Available from: https://acopen.umsida.ac.id/index.php/acopen/article/view/3093