วลัยเสถียร จันทกานต์, Meyuree Prasong Prasong, and Malai Nakprakob. 2021. “Health Literacy of Personnel in Prevention and Control of Non-Communicable Diseases of the Office of Disease Prevention and Control 9 Nakhon Ratchasima”. The Office of Disease Prevention and Control 9th Nakhon Ratchasima Journal 27 (1):46-55. https://he02.tci-thaijo.org/index.php/ODPC9/article/view/245235.