M. N. Mondol, M. I. Takee, A. Ahad, M. S. A. Joardar, and M. S. Hossain, “Smart Tourism Technologies in the Industry 4.0 Era: A PRISMA-Based Systematic Review of Adoption, Implications, Outcome and Future Direction”, JCSIT, vol. 3, no. 1, pp. 43–69, Feb. 2026.