บัวพรมมี ณ., พลโยราช ก., and ทัศนวัฒน์ ส. “Market Positions of Carbonated Soft Drink Brands in Consumer’s Perception: An Exploratory Research”. KKBS Journal of Business Administration and Accountancy, vol. 1, no. 2, Aug. 2017, pp. 65-74, https://so04.tci-thaijo.org/index.php/kkbsjournal/article/view/161303.