Akruthai La เ. ล., Patranit Weerachaleepat ภ. ว. and Rattanawadee Patcharapuwadol ร. พ. (2018) “Green Concept as The Marketing Strategies: The Case of Royal Princess Larn Luang Hotel Bangkok”, Dusit Thani College Journal, 11(special), pp. 186–197. available at: https://so01.tci-thaijo.org/index.php/journaldtc/article/view/136150 (accessed: 15 September 2026).