ตุลยศุกร์สิริ ศ., โชคทวีพำณิชย์ พ. ., and หล่อนิมิตดี เ. . “Factors Influence on Happiness of Registered Nurses in Regional Health Promotion Centers 1-12 under the Department of Health, Ministry of Public Health”. Thailand Journal of Health Promotion and Environmental Health, vol. 48, no. 1, Apr. 2025, pp. 101-16, https://thaidj.org/index.php/for4d/article/view/16202.