Onuma Wayopat และ Panatsada Awikunprasert. (2017) Digital thickness meter using infrared sensor. <i>Journal of Associated Medical Sciences</i>, <i>50</i>(3), 424-449.Onuma Wayopat และ Panatsada Awikunprasert. "Digital thickness meter using infrared sensor". Journal of Associated Medical Sciences 50 (2017):424-449.Onuma Wayopat และ Panatsada Awikunprasert. Digital thickness meter using infrared sensor. Faculty of Associated Medical Sciences, Chiang Mai University:ม.ป.ท. 2017.