Siriboon, U., Rojjanaprapayon, R. and Jantarakolica, K. (2022) “Customer Relationship Management, Marketing Mix and Intercultural Communication in Context of Private Hospitals and Medical Tourists”, Rajapark Journal. Bangkok, Thailand, 16(48), pp. 17–29. available at: https://so05.tci-thaijo.org/index.php/RJPJ/article/view/258993 (accessed: 8 December 2025).