Team, S. “Capital Asset Pricing Model Through Quantile Regression: An Entropy Approach: Woraphon Yamaka, Kittawit Autchariyapanitkul, Paravee Meneejuk, Songsak Sriboonchitta”. Thai Journal of Mathematics, Oct. 2017, pp. 53-65, https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/645.