กิจการ ส. The Environment factors Affecting of Operation Happiness in Srisungworn Hospital Sukkothai, Province. Journal of Disease and Health Risk DPC.3, Nakhon Sawan, Thailand, v. 11, n. 2, p. 38–48, 2019. Disponível em: https://he01.tci-thaijo.org/index.php/JDPC3/article/view/208928. Acesso em: 15 sep. 2026.