Putra AK, Sumarmi, Bachri S, Al Khalidy D, Arifa’illah Syaiful Huda I. Spatial Acumen in the Digital Age: The Transformative Power of STEM-Enriched Mobile Textbooks in Geography. Int. J. Interact. Mob. Technol. [Internet]. 2023 Dec. 12 [cited 2024 Jul. 18];17(23):pp. 153-167. Available from: https://online-journals.org/index.php/i-jim/article/view/45949