Chantarokorn, A., A. Chaowalit, and T. Nasae. “Ethical Environmental Management for Reducing Global Warming Experienced by Head Nurses in Tertiary Hospitals, Southern Thailand”. Journal of Research in Nursing-Midwifery and Health Sciences, vol. 37, no. 3, Sept. 2017, pp. 121-33, https://he02.tci-thaijo.org/index.php/nur-psu/article/view/100409.