Sitanggang, Nathanael, Putri Lynna Adelinna Luthan, and Felix Andika Dwiyanto. 2020. “The Effect of Google SketchUp and Need for Achievement on the Students’ Learning Achievement of Building Interior Design”. International Journal of Emerging Technologies in Learning (iJET) 15 (15):pp. 4-19. https://doi.org/10.3991/ijet.v15i15.12471.