Agustiar, Memet, Fariastuti Djafar, and Afrizal Afrizal. “Construction of an Optimum Currency Area Index Anchored to the Gold Dinar: The Case of Selected Islamic Countries”. International Journal of Economics and Financial Issues 7, no. 3 (June 29, 2017): 51–56. Accessed May 2, 2024. https://www.econjournals.com/index.php/ijefi/article/view/4491.