Khunthong, S., Sungsitthisawad, W., & Chanabun, S. . (2023). The environmental health conditions and factors associated with preventive behaviors of Covid-19 disease by hotel staff in Chiang Khan District, Loei province. Journal of Medicine and Public Health, Ubon Ratchathani University, 6(1), 25–34. Retrieved from https://he01.tci-thaijo.org/index.php/jmpubu/article/view/257918