Amin, Y. obed and Moheden, N.O. 2020. The role of marketing intelligence system in achieving customer happiness: Analytical exploratory study of the opinions of a sample of managers working in five-star hotels in the city of Sulaymaniyah. Journal of University of Human Development. 6, 1 (Feb. 2020), 19–26. DOI:https://doi.org/10.21928/juhd.v6n1y2020.pp19-26.