Agustina, Ika, Andrian Andrian, and Reniwati Lubis. “BILINGUAL TOURIST POCKET BOOK USING QR CODE FOR TOURISTS AT MAIMUN PALACE TO INTRODUCE THE CULTURE AND HERITAGE OF THE DELI SULTANATE”. International Journal of Multidisciplinary Research and Literature 3, no. 6 (November 11, 2024): 696–708. Accessed July 21, 2026. http://ijomral.esc-id.org/index.php/home/article/view/266.