SHARIF, D. A. .; ABDULLAH , S. A.; OTHMAN, B. A. .; ABDULLAH, Y. H. . The Impact of Employee’s Income Grades on Tourism Demand: : An Exploratory Study About Employees Opinion to Their Demand of Tourism in Koya Technical Institute /Iraq. Polytechnic Journal of Humanities and Social Sciences, [S. l.], v. 5, n. 1, p. 555-566, 2024. DOI: 10.25156/ptjhss.v5n1y2024.pp555-566. Disponível em: https://journals.epu.edu.iq/index.php/ptjhss/article/view/1493. Acesso em: 25 jul. 2024.