Septi Nur Afifah, Dian, Muhammad Ilman Nafi’an, Tri Linggo Wati, Novia Ariyanti, Sutopo ., and . . “Augmented Reality (AR) Sandbox: 3-Dimensional Media to Learn Topographic Maps”. International Journal of Engineering and Technology 7, no. 4.7 (September 27, 2018): 468–471. Accessed August 18, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/27361.