Lakhana, S., and S. Tuvadaratragool. “Marketing Mix Affecting Thai Tourists’ Decision Making on Using Pool Villa Services in Hua Hin District, Prachuap Khiri Khan Province”. Rajapark Journal, vol. 18, no. 59, Aug. 2024, pp. 223-36, https://so05.tci-thaijo.org/index.php/RJPJ/article/view/270985.