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Sahrina, A.; Sumarmi; Purwanto; Rosyida, F. .; Bin Shafie, A. .; Prasetyono, D. .; Suprianto, A. .; Sainul Fadlan, M. .; Ainul Labib, M. . The Use of Smartphones in Geography Learning: A 21st Century Learning Innovation in Identifying Nature Appearances Based on Fieldwork . Int. J. Interact. Mob. Technol. 2022, 16, pp. 15-31.