Wei Boon, Quah. “VIRTEST Plus 3D: Pengajaran Subjek Hospitaliti (Kaunter Hadapan) Menggunakan Bilik Tetamu Hotel Maya: VIRTEST Plus 3D: Teaching Hospitality Subject (Front Office) Using Virtual Guest Room Hotel”. Journal of ICT in Education, vol. 5, Dec. 2018, pp. 27-39, https://doi.org/10.37134/jictie.vol5.4.2018.