Badarudin, M. A. S. A., I. A. Astuti, and B. K. Umri. “Development of a Virtual Reality Application for Learning About Hajj Rituals”. JITSI : Jurnal Ilmiah Teknologi Sistem Informasi, Vol. 6, no. 1, Mar. 2025, pp. 19 -27, doi:10.62527/jitsi.6.1.348.