Visanuyothin, Sawitree, Chanudda Chatanuluk, Sureeporn Saengsuwan, Amorn Rojanavarapong, and Pinyada Pornchanya. 2015. “Health Literacy of Village Health Volunteer in Municipalitiy, Nakhonratchasima, Thailand”. Journal of Public Health and Development 13 (1). Bangkok, Thailand:37-54. https://doi.org/10.14456/jphd.2015.6.