Pinit Nuangpirom และผู้แต่งคนอื่นๆ. (2020) The Study of Characteristics of the Waveguide Iris by using Printed Circuit Board. <i>RMUTL Engineering Journal</i>, <i>5</i>(1), 35-40.Pinit Nuangpirom และผู้แต่งคนอื่นๆ. "The Study of Characteristics of the Waveguide Iris by using Printed Circuit Board". RMUTL Engineering Journal 5 (2020):35-40.Pinit Nuangpirom และผู้แต่งคนอื่นๆ. The Study of Characteristics of the Waveguide Iris by using Printed Circuit Board. Rajamangala University of Technology Lanna:ม.ป.ท. 2020.