Morales, Utzinger, Schittny Joanan, and Hirsiger Julia. “Development of Arabic E-Book Media Based on Flip PDF Professional Application for Students”. Journal International of Lingua and Technology 2, no. 1 (July 15, 2023): 41–60. Accessed January 12, 2026. https://ejournal.staialhikmahpariangan.ac.id/Journal/index.php/jiltech/article/view/243.