Sembiring, Evaliata Br, and Wachid Zaini. “E-Book Pelajaran IPA Berbasis Mobile (Studi Kasus: Pelajaran IPA Kelas 5 SD)”. Journal of Applied Informatics and Computing 6, no. 1 (May 12, 2022): 64–70. Accessed February 23, 2025. https://jurnal.polibatam.ac.id/index.php/JAIC/article/view/3326.