Simbolon K, Ditasona C, Setiawan LF. Improving Mathematical Understanding on Geometry for 9th Grade Students through Three-Dimensional Mathematics Learning Media Based on Virtual Reality. Brillo J. [Internet]. 2025 Mar. 6 [cited 2025 Jun. 7];4(1):59-75. Available from: https://journal.sncopublishing.com/index.php/brillojournal/article/view/71