Aparicio, Teresa, and Dulce Saura . “Do Exchange Rate Series Present General Dependence? Some Results Using Recurrence Quantification Analysis”. Journal of Economics and Behavioral Studies 5, no. 10 (October 20, 2013): pp. 678-686. Accessed May 17, 2024. https://ojs.amhinternational.com/index.php/jebs/article/view/441.