Timanta Tarigan, Jos, Opim Salim Sitompul, and Erna Budhiarti Nababan. “The State of Collaborative 3D Content Authoring: A Review”. International Journal of Engineering & Technology 7, no. 4.40 (December 16, 2018): 179–182. Accessed November 22, 2024. https://sciencepubco.com/index.php/ijet/article/view/24428.