วราธรไพบูลย์ ธ., and ลักษิตามาศ ป. “Causal Model of Loyalty Behavior of Customer’ Franchise Convenience Stores: The Case Study of Bang Khae, Bangkok”. Journal of Business Administration The Association of Private Higher Education Institutions of Thailand, vol. 8, no. 1, June 2019, pp. 194-05, https://so02.tci-thaijo.org/index.php/apheitvu/article/view/198440.