Salsabila, R.; Hikmawan, R.; Romdhoni, R. D. Immersive TOEFL Preparation in the Metaverse: Usability and Navigability of a Roblox-Based Game Developed via GDLC. JOIVE 2026, 9 (2), 67-83. https://doi.org/10.20961/joive.v9i2.3520.