มงคลชัยอรัญญา ส, ฤทธิ์อยู่ อ. Use of fluoride tablets in primary schools after 4 years implementation. Th Dent PH J [internet]. 1999 Dec. 27 [cited 2026 Sep. 19];4(2):44-55. available from: https://he02.tci-thaijo.org/index.php/ThDPHJo/article/view/213863