Sumipan, Khwanruean, and Phetcharaporn Chatchawanchanchanakij. “ Affecting Customers’ Loyalty in Bangkok and Vicinity”. Journal of KMITL Business school 10, no. 2 (October 20, 2020): 28–40. Accessed April 28, 2024. https://so02.tci-thaijo.org/index.php/fam/article/view/244246.