SAEED SALIH, Shahad Jamal; KHALIL, Mahmood Hameed. Measuring and analyzing the impact of public investment spending on national income 2005-2020. Tikrit Journal of Administrative and Economic Sciences, [S. l.], v. 19, n. 61, 1, p. 747–761, 2023. DOI: 10.25130/tjaes.19.61.1.40. Disponível em: https://www.tjaes.org/ojs/index.php/tjaes/article/view/709. Acesso em: 6 mar. 2026.