Arsa, M. F., Sugand, D. dan Somantri, L. (2020) “The Influence of GIS Learning Material on Spatial Thinking of Students in SMA/MAN Banda Aceh ”, International Conference on Elementary Education. Bandung, Indonesia, 2(1), hlm. 480-485. Tersedia pada: https://proceedings.upi.edu/index.php/icee/article/view/653 (Diakses: 20Oktober2025).