Wanitjirattikal, P., & Kiatsupaibul, S. (2015). Tail Dependenceo f Student’st Copula and Double t Copula and Their Effects on Pricing Credit Derivative. Science & Technology Asia, 12(2), 1–9. Retrieved from https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/41513