Mohamed Sa’dom, N. Z., Mat Yusoff, S. H. and Mohamed Sa’dom, S. A. F. (2023) “Umrah, the Spiritual Journey of a Lifetime: A Bibliometric Analysis using VosViewer”, International Journal of Innovation and Business Strategy (IJIBS), 18(1), pp. 37–49. doi: 10.11113/ijibs.v18.134.