Jenasama Srihirun จ. ศ. (2018) “Risk Management for Catering Services of The Hotel Business: Case Studies of Leading Five-Star Hotels in Bangkok”, Dusit Thani College Journal, 11(special), pp. 211–225. available at: https://so01.tci-thaijo.org/index.php/journaldtc/article/view/136200 (accessed: 16 September 2026).