S. Aerarunchot, T. Songphaeng, R. Chotipanvidhayakul, ฺBoonpongsathian N., K. Runapongsa Saikaew, and P. Buayai, “Effect of Using Application ‘PrepLooker’ as an Educational Media in Undercut & Convergence Angle of Crown Preparation of 4 th Year Dental Student KKU”, Khon Kaen Dent J, vol. 24, no. 2, pp. 42–48, Aug. 2021.