Sharif, Dlshad A., Sarkar A. Abdullah, Bestoon A. Othman, and Yakaw H. Abdullah. “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 5, no. 1 (February 20, 2024): 555-566. Accessed July 25, 2024.