สัมฤทธิเวช ย., and ปฏิมานเกษม พ. “The Comparison of Caries-risk identification in an adolescent group by buffer capacity of saliva and salivary pH”. Thai Dental Public Health Journal, vol. 6, no. 1, June 2001, pp. 17-26, https://he02.tci-thaijo.org/index.php/ThDPHJo/article/view/213517.