A. A. A. Abdelghani, M. A. Mohammed, and H. A. M. Ahmed, “The Silent Script and Spoken Word: A Systematic Review of Tourist Managerial Policy and Guide Competency in Islamic Heritage Sites”, etsd, vol. 2, no. 1, pp. 29–42, Jan. 2026, doi: 10.63385/etsd.v2i1.354.