กรมอนามัย ก. Volume 8 Number 1-2 January - December 2003. Thai Dental Public Health Journal, Bangkok, Thailand, v. 8, n. 1-2, p. 1–104, 2003. Disponível em: https://he02.tci-thaijo.org/index.php/ThDPHJo/article/view/213039. Acesso em: 16 mar. 2025.