syafii ahmad. Pengembangan Flipbook Sistem Komputer Menggunakan Virtual Library Multiplatform bagi Siswa SMK. JIP [Internet]. 2022 Feb. 21 [cited 2024 May 18];11(2):122-31. Available from: https://ejournal.unikama.ac.id/index.php/jrnspirasi/article/view/5301