Putra, A. K., Sumarmi, Bachri, S. ., Al Khalidy, D., & Arifa’illah Syaiful Huda, I. . (2023). Spatial Acumen in the Digital Age: The Transformative Power of STEM-Enriched Mobile Textbooks in Geography. International Journal of Interactive Mobile Technologies (iJIM), 17(23), pp. 153–167. https://doi.org/10.3991/ijim.v17i23.45949