Riswadinata, Indra, Tri Kukuh Prasetiyo, and Nurul Diniyati. “Development of Basic Geology Mobile Learning Based on Android Indonesia Geodiversity Area”. JURNAL GEOGRAFI 16, no. 1 (February 22, 2024): 17–31. Accessed December 20, 2024. http://103.242.233.34/index.php/geo/article/view/43243.