AHMED, Y. A. .; SALIH, H. A. . Measuring and Analyzing The Role of Tourism Spending in Economic Growth in Selected Countries for The Duration (1990-2019). The Scientific Journal of Cihan University– Sulaimaniya, [S. l.], v. 5, n. 2, p. 291-319, 2022. DOI: 10.25098/5.2.13. Disponível em: https://journal.sulicihan.edu.krd/index.php/sjcus/article/view/83. Acesso em: 12 feb. 2026.