กรมอนามัย ก. Volume 9 Number 1-2 January - December 2004. Thai Dental Public Health Journal, Bangkok, Thailand, v. 9, n. 1-2, p. 1–108, 2004. Disponível em: https://he02.tci-thaijo.org/index.php/ThDPHJo/article/view/212994. Acesso em: 19 sep. 2026.