Chaengkham, Supakorn, and Suthin Wianwiwat. “Stock Market Index Prediction Using Machine Learning: Evidence from Leading Southeast Asian Countries”. Thailand and The World Economy 39, no. 2 (June 7, 2021): 56-64. Accessed October 28, 2021. https://so05.tci-thaijo.org/index.php/TER/article/view/251892.