Dejsuvan, S., V. Sirimaharaj, and S. Wanachantararak. “Nanohardness and Elastic Modulus Properties of Enamel and Dentin of Primary Molars in Vitro, in People With Various Caries Experiences, Using a Nano-Indentation Technique”. Chiang Mai Dental Journal, vol. 42, no. 1, Apr. 2021, pp. 93-100, https://he01.tci-thaijo.org/index.php/cmdj/article/view/245118.