Aerarunchot, Suwadee, Thanatta Songphaeng, Ratirat Chotipanvidhayakul, ฺBoonpongsathian Nounprang, Kanda Runapongsa Saikaew, and Prawit Buayai. 2021. “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 University Dental Journal 24 (2):42-48. https://he01.tci-thaijo.org/index.php/KDJ/article/view/241435.