Salih B, Yasin Al-safar A. The impact of tourism investment in diversifying sources of income in the Kurdistan Region of Iraq For the years 2003-2018. HJUOZ [Internet]. 2021 Sep. 26 [cited 2025 Apr. 20];9(3):621-32. Available from: https://hjuoz2.uoz.edu.krd/index.php/hum/article/view/711