Harwood, A. B. ., W. E. Scott, and M. S. . Reisman. “ROLE OF HOSPITALITY INDUSTRY ON ECONOMIC GROWTH IN USA”. African Journal of Emerging Issues, vol. 4, no. 8, Aug. 2022, pp. 1-13, https://www.ajoeijournals.org/sys/index.php/ajoei/article/view/314.