จันทรดี ว., and วิงวอน บ. “Effect of Customer Relationship Management and Satisfaction Toward the Loyalty of Customers at Government Savings Bank, Region 9”. Journal of Management Science Chiangrai Rajabhat University, vol. 11, no. 2, May 2018, pp. 71-86, https://so03.tci-thaijo.org/index.php/jmscrru/article/view/122135.