“THE SUSTANABLE MARKETING IMMUNITY OF TOURIST OF BUSINESS IN LIGHT OF THE PANDEMIC-CORONA (COVID-19) AN APPLIED RESEARCH IN TRAVEL AND TOURISM COMPANIES IN BAGHDAD: THE SUSTANABLE MARKETING IMMUNITY OF TOURIST OF BUSINESS IN LIGHT OF THE PANDEMIC-CORONA (COVID-19) AN APPLIED RESEARCH IN TRAVEL AND TOURISM COMPANIES IN BAGHDAD”, IJMRCP, vol. 13, no. 2, pp. 173–191, Dec. 2021, Accessed: May 03, 2024. [Online]. Available: https://jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/261