Firas Naji Hatem, and Abbas Mahmoud Nayef. “Role of Organizational Proofing in Achieving Organizational Excellence/ Study Survey To Sample of Workers in Travel and Tourism Companies City of Baghdad”. Journal of Alsalam University, vol. 6, no. 1, Apr. 2023, pp. 1-10, doi:10.55145/acj.2023.01.01.001.