SULTAN AHMED, A. M. Geographical Disparities in the Happiness Index in the GCC Countries and Iraq. Journal of Tikrit University for Humanities, [S. l.], v. 32, n. 10, p. 131–147, 2025. DOI: 10.25130/jtuh.32.10.2025.7. Disponível em: https://jtuh.org/index.php/jtuh/article/view/5706. Acesso em: 6 sep. 2026.