Guci, Putri Tipakaden, and Budi Halomoan Siregar. 2024. “Integrating Scientific Approaches in Digital Learning Materials to Improve Spatial Abilities in Cube Geometry: A Research and Development”. International Journal of Educational Research Excellence (IJERE) 3 (2):767-75. https://doi.org/10.55299/ijere.v3i2.1118.