Chantaramongkol, P., W. Wannapipat, and P. Chantaramongkol. “Learning Innovation in Topic of E-Commerce for the Entrepreneurs of the Federation of Thai Industries, Khon Kaen Chapter”. Dhammathas Academic Journal, vol. 19, no. 2, June 2019, pp. 113-24, https://so06.tci-thaijo.org/index.php/dhammathas/article/view/137752.