Modhuang, Chanarin, and Kamolthip Kamchai. “9Ps Model Affecting to the Consumer’s Behavior of Local Brand Coffee Consumers in Muang District, Chiangmai Province”. RMUTL Journal of Business Administration and Liberal Arts 6, no. 1 (May 29, 2018): 32–40. Accessed May 4, 2024. https://so05.tci-thaijo.org/index.php/balajhss/article/view/125982.