Kamkankaew, P. “The Factor Analysis of Customer-Based Brand Equity of the Black Carbonated Beverage Industry in Mueang District, Chiang Mai Province”. JOURNAL OF SOUTHERN TECHNOLOGY, vol. 5, no. 2, May 2021, pp. 9-23, https://so04.tci-thaijo.org/index.php/journal_sct/article/view/251738.