Sugandi, A. I., 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”. International Journal of Learning, Teaching and Educational Research, vol. 25, no. 4, Apr. 2026, pp. 1091-08, https://www.ijlter.net/index.php/ijlter/article/view/2838.