Maram, M. A., and W. A. Abdulrazzaq Badhib. “Institutional Division of the Central Bank and Dual Exchange Rates in Yemen (2015–2025): Evidence from VECM and GARCH Models an Empirical Analytical Study (2015–2025)”. International Journal of Emerging Issues in Social Science, Arts and Humanities ( IJEISSAH), vol. 4, no. 1, Dec. 2025, pp. 55-68, doi:10.60072/ijeissah.2025.v3i03.007.