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ธรรมพัฒนากูลม, ทวินันท์ก, ประสงค์เ, ผาสิงห์ฉ. Customer Satisfaction towards Service in the Tourism Business Case Study: Your Friends Travel Company, Phitsanulok Province. bus. rev. j. [Internet]. 2019Jun.27 [cited 2020May30];11(1):163-75. Available from: https://so01.tci-thaijo.org/index.php/bahcuojs/article/view/198355