Jenwittayaroje, Nattawut. “The study of the return behavior of the big-cap stocks on the Stock Exchange of Thailand: Evidence from pre-, during, and post-Covid-19”. NIDA Business Journal, no. 31 (December 16, 2022): 96–112. accessed April 17, 2025. https://so10.tci-thaijo.org/index.php/NIDABJ/article/view/93.