Tüzün, Hakan, Hatice Gökçe Bilgiç, and Sevil Yaşar Elçi. “The Effects of 3D Multi-User Virtual Environments on Collaborative Learning and Social Presence”. International Electronic Journal of Elementary Education 11, no. 3 (February 7, 2019): 221–231. Accessed August 5, 2026. https://www.iejee.com/index.php/IEJEE/article/view/746.