Umar, Iqbal, and Joni Kawulur. “Perancangan Buku Interaktif Digital Edukasi Rambu Untuk Anak Usia Dini”. Ultimart: Jurnal Komunikasi Visual 15, no. 1 (June 27, 2022): 90 - 106. Accessed April 25, 2024. https://ejournals.umn.ac.id/index.php/FSD/article/view/2343.