Santi Pawai ส. ป., Anan Thamchalai อ. ธ. and ศิริวิศิษฐ์กุล ส. (2018) “The Management Approach to Increase the Effectiveness of the Travel Business in Thailand”, Dusit Thani College Journal, 12(Special), pp. 115–133. Available at: https://so01.tci-thaijo.org/index.php/journaldtc/article/view/129535 (Accessed: 24 May 2024).