Ahmad YA, Faraj MM. Measuring the impact of private investment on GDP in the Kurdistan Region for the period (2006-2016): an analytical standard study. ACAD J NAWROZ UNIV [Internet]. 2021Jan.27 [cited 2024Apr.24];9(4):397-410. Available from: https://journals.nawroz.edu.krd/index.php/ajnu/article/view/1032