"The Effect of Inflation Rate and Exchange Rate Fluctuations on the Concentration of Investment in Treasury Bills among Commercial Banks: An Analytical Study of a Sample of Yemeni Banks". Economic Journal, [S. l.], v. 14, n. 16, 2026. DOI: 10.47372/74jyvw03. Disponível em: https://journals.aden-univ.net/index.php/AEJ/article/view/249. Acesso em: 8 oct. 2026.