Charutwinyo, P., and N. Thummasorn. “Marketing Mix Factors Affecting Consumers’ Consuming Decision of Ketogenic Food in Muang District Kamphaeng Phet Province”. RMUTL Journal of Business Administration and Liberal Arts, vol. 12, no. 1, June 2024, pp. 89-106, https://so05.tci-thaijo.org/index.php/balajhss/article/view/270082.