KHUNRIT, M.; MONPANTHONG, P. Guidelines of Tourism Promotion for Russian Tourists in Koh Samui, Suratthani Province. Research and Development Journal, Loei Rajabhat University, [S. l.], v. 18, n. 64, p. 28–37, 2023. Disponível em: https://so05.tci-thaijo.org/index.php/researchjournal-lru/article/view/261323. Acesso em: 16 sep. 2026.