Prastiyono H, Widodo BS, Utaya S, Sumarmi, Astina IK, Amin S, et al. The Development of Geomobile App-Based Outdoor Study to Improve Critical-Social Abilities and Collaborative in the 21st Century. Int. J. Interact. Mob. Technol. [Internet]. 2023 Dec. 22 [cited 2024 Sep. 27];17(24):pp. 79-95. Available from: https://online-journals.org/index.php/i-jim/article/view/45945