ทองเถา จ. CAUSAL RELATIONSHIP MODEL AFFECTING CUSTOMER LOYALTY TO USE MOBILE PHONE SYSTEM SERVICES IN THAILAND. ๋JBA_apheit [internet]. 2018 Nov. 9 [cited 2026 Sep. 30];7(2):124-37. available from: https://so02.tci-thaijo.org/index.php/apheitvu/article/view/154410