Nootkasem, C. ., Ratchusanti, S. ., & Chingchayanurak, C. . (2020). Determinants of Calendar Spread of SET50 Index Futures. Journal of Management Science Chiangrai Rajabhat University, 15(2), 1–18. Retrieved from https://so03.tci-thaijo.org/index.php/jmscrru/article/view/137224