Team, Support. “Event Index Computation for Forecasting Case Study: Car Sales in Thailand: Witchaya Rattanametawee, Chartchai Leenawong”. Thai Journal of Mathematics 18, no. 4 (December 1, 2020): 2079–2091. Accessed November 21, 2024. https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1126.