Damanik, Erika Meylina, and Cosmas Eko Suharyanto. “PERANCANGAN APLIKASI PEMBELAJARAN GEOGRAFI BERBASIS ANDROID”. Computer and Science Industrial Engineering (COMASIE) 3, no. 2 (September 28, 2020): 10–20. Accessed November 30, 2024. https://ejournal.upbatam.ac.id/index.php/comasiejournal/article/view/2008.