Natthinee Thampanya และ Chanapol Pornpikul. (2020) Indicator for Describing Bull and Bear Markets: Asymmetry and Persistence Perspective. <i>Southeast Asian Journal of Economics</i>, <i>8</i>(1), 39-81.Natthinee Thampanya และ Chanapol Pornpikul. "Indicator for Describing Bull and Bear Markets: Asymmetry and Persistence Perspective". Southeast Asian Journal of Economics 8 (2020):39-81.Natthinee Thampanya และ Chanapol Pornpikul. Indicator for Describing Bull and Bear Markets: Asymmetry and Persistence Perspective. Faculty of Economics, Chulalongkorn University:ม.ป.ท. 2020.