SHUKR HASSAN MOHAMMAD ALI; SARDAR OSMAN KHUDHUR BADAWAI. Measuring and analyzing the impact of GDP and geographical distance on the volume of trade exchange between Iraq and China using (Simple gravity model) for the period (2008-2023). Tikrit Journal of Administrative and Economic Sciences, [S. l.], v. 21, n. 72 part 2, p. 359–382, 2025. DOI: 10.25130/tjaes.21.72.2.18. Disponível em: https://www.tjaes.org/index.php/tjaes/article/view/2282. Acesso em: 23 aug. 2026.