Lertkultanon, Y., Chatawanich, M., Chatawanich, S. and Montreesuksirikul , K. (2023) “The 9As Strategy for Sustainable Management of Man-Made Attractions: a Case Study of Ba Na Hills, Vietnam”, Dusit Thani College Journal, 17(2), pp. 181–194. available at: https://so01.tci-thaijo.org/index.php/journaldtc/article/view/269368 (accessed: 16 September 2026).