เจียรมณีโชติชัย ส., จิระพงษา ว., and ประเสริฐสม ป. “Development of learning process in primary school students based on research method : Food Consumption and Dental Caries”. Thai Dental Public Health Journal, vol. 13, no. 3, May 2008, pp. 39-50, https://he02.tci-thaijo.org/index.php/ThDPHJo/article/view/208822.