A. I. Sugandi, M. . Bernard, and . D. . Sofyan, “The Impact of GeoGebra and Augmented Reality (AR)-Assisted Geometry Teaching on Geometry Competence, 3D Thinking Competence, Retention, and Geometry Attitudes”, IJLTER, vol. 25, no. 4, pp. 1091–1108, Apr. 2026.