Sahrina, Alfi, Sumarmi, Purwanto, Fatiya Rosyida, Aziz Bin Shafie, Devi Prasetyono, Agung Suprianto, Muhammad Sainul Fadlan, and Mohammad Ainul Labib. “The Use of Smartphones in Geography Learning: A 21st Century Learning Innovation in Identifying Nature Appearances Based on Fieldwork ”. International Journal of Interactive Mobile Technologies (iJIM) 16, no. 22 (November 29, 2022): pp. 15–31. Accessed April 25, 2024. https://online-journals.org/index.php/i-jim/article/view/36151.