Manopphun, S., and S. . Arwatchanakan. “The Effect of Elastomeric Impression Materials and Gingival Sulcus Widths on the Dimensional Accuracy of Stone Die”. Khon Kaen University Dental Journal, vol. 24, no. 3, Dec. 2021, pp. 18-26, https://he01.tci-thaijo.org/index.php/KDJ/article/view/245744.