Damrongthakoengkiat, S., W. Chaiyasoonthorn, and S. Chaveesuk. “Factors Affecting Customers’ Brand Loyalty of Mobile Network Providers”. Journal of KMITL Business School, vol. 9, no. 2, Dec. 2019, pp. 27-40, https://so02.tci-thaijo.org/index.php/fam/article/view/232192.