Development of Geomobile App-Based Outdoor Study to Improve Critical-Social Abilities and Collaborative in the 21st Century. - Hendri Prastiyono; Bambang Sigit Widodo; Sugeng Utaya; Sumarmi; I Komang Astina; Saiful Amin; Pedro T. Isaías (Int. J. Interact. Mob. Technol., 2023)