วัฒนากุล เ, บุญธีรารักษ์ พ. From Needs Analysis to Curriculum Design: The Implementation of a Self- study ESP Curriculum to Enhance Communicative English Ability of Ticket Sellers of Public Bus Service. pyuj [Internet]. 2018 Jan. 31 [cited 2024 May 8];27(2):133-50. Available from: https://so05.tci-thaijo.org/index.php/pyu/article/view/123305