Team, S. “A Novel Pairs Trading Model With Mean Reversion and Coefficient of Variance: N. Ekkarntrong, P. Sirisaengtaksin, P. Sattayatham, B. Premanode”. Thai Journal of Mathematics, vol. 15, no. 1, Apr. 2017, pp. 277-96, https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/682.