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. Iraqi Journal of Market Research and Consumer Protection, [S. l.], v. 13, n. 2, p. 173–191, 2021. Disponível em: https://jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/261.. Acesso em: 3 may. 2024.