Oraphan , Wanwisa. 2022. “FACTORS INFLUENCING HEALTH LITERACY OF CORONAVIRUS 2019 DISEASE OF VILLAGE HEALTH VOLUNTEERS, SI SA KET PROVINCE”. Primary Health Care Journal (Northeastern Edition) 37 (2). Khon Kaen, Thailand:14-23. https://thaidj.org/index.php/pjne/article/view/12846.