2018.04  RitecÞä ȸÀå Mr. Chick ºÎ°í
2018.03  APC NDT
2018.02  SHM ±¹Á¦ ½ÉÆ÷Áö¾ö
2015.12  WCNDT 2016
2015.11  NDT in Aerospace
2015.08  PANNDT 2015 (6th Pan American Conference for NDT)