Kieanwatana, K. (2020) “A STUDY ON COMPETENCY OF CREW MEMBER FOR CRUISE LINES BUSINESS IN THAILAND”, Academic Journal of Thailand National Sports University. Chonburi, Thailand, 12(2), pp. 50–61. available at: https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/244403 (accessed: 19 September 2026).