The Effect of Financial Indicators on the Gross Domestic Product of the USA Economy for 1990-2015 (A standard study). JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences, [S. l.], v. 27, n. 3, p. 274–301, 2019. Disponível em: https://www.journalofbabylon.com/index.php/JUBPAS/article/view/2415. Acesso em: 3 may. 2025.