Adisairattanakun N, Ritkaew S. Customer Loyalty to FTTx Products & Services Provided by TOT Public Company Limited in Suratthani. WU [Internet]. 2017 Sep. 24 [cited 2024 May 4];6(3):72-8. Available from: https://so06.tci-thaijo.org/index.php/wms/article/view/99793