มาลาศรี ว. (2008). Perception of dental fluorosis in junior high school students and their parents in Tambol Banthi, Amphor Banthi, Lamphun Province. Thai Dental Public Health Journal, 13(2), 138–145. retrieved from https://he02.tci-thaijo.org/index.php/ThDPHJo/article/view/209894