กรมอนามัย ส. Volume 20 Number 2 April-June 2015. Thai Dental Public Health Journal, Bangkok, Thailand, v. 20, n. 2, p. 0–88, 2015. Disponível em: https://he02.tci-thaijo.org/index.php/ThDPHJo/article/view/215417. Acesso em: 18 sep. 2026.