Loungmaung, S., P. Noimuenwai, and K. Srisawas. “Factors Influencing Competencies of Nursing Anesthetists at Hospitals under the Ministry of Public Health in Health Region 9 (Nakhon Chai Burin)”. Journal of The Royal Thai Army Nurses, vol. 22, no. 1, Apr. 2021, pp. 442-9, https://he01.tci-thaijo.org/index.php/JRTAN/article/view/226785.