Cuba, N. ., R. . Pariona, A. . Pacheco, E. . Mendoza, C. . Espino, and B. . Larico. “Systems Audit for the Tourism Sector”. The Journal of Contemporary Issues in Business and Government, vol. 27, no. 2, Apr. 2021, pp. 4624-33, https://cibgp.com/au/index.php/1323-6903/article/view/1381.