Measuring and Analyzing the Impact of the Customs Exchange Rate on Imports and Customs Revenues in Yemen: An Applied Econometric Study of Aden port Customs Office (2016–2025). ECJ [Internet]. 2026 Aug. 29 [cited 2026 Oct. 9];14(16). Available from: https://journals.aden-univ.net/index.php/AEJ/article/view/250