Karoonngamphan, Mongkol, Sudarat Suvaree, and Nuntana Numfone. 2012. “Health Behaviors and Health Status of Workers: A Case Study of Workplaces in Sathorn District, Bangkok Metropolitan”. Journal of Research in Nursing-Midwifery and Health Sciences 32 (3):51-66. https://he02.tci-thaijo.org/index.php/nur-psu/article/view/4592.