• Journal of the Korean Society for Nondestructive Testing
• /
• v.2 no.1
• /
• pp.17-24
• /
• 1982

• Journal of the Korean Society for Nondestructive Testing
• /
• v.2 no.1
• /
• pp.25-30
• /
• 1982

• Journal of the Korean Society for Nondestructive Testing
• /
• v.2 no.1
• /
• pp.31-49
• /
• 1982

Description of the French certification system; comparison between useful certification systems of other countries, look to the future.

• Journal of the Korean Society for Nondestructive Testing
• /
• v.21 no.4
• /
• pp.446-460
• /
• 2001

• Journal of the Korean Society for Nondestructive Testing
• /
• v.34 no.1
• /
• pp.77-84
• /
• 2014

• Journal of the Korean Society for Nondestructive Testing
• /
• v.31 no.6
• /
• pp.677-681
• /
• 2011

• Journal of the Korean Society for Nondestructive Testing
• /
• v.32 no.5
• /
• pp.597-602
• /
• 2012

• Journal of the Korean Society for Nondestructive Testing
• /
• v.32 no.5
• /
• pp.603-610
• /
• 2012

• Journal of the Korean Society for Nondestructive Testing
• /
• v.36 no.3
• /
• pp.236-239
• /
• 2016

• Journal of the Korean Society for Nondestructive Testing
• /
• v.34 no.2
• /
• pp.190-195
• /
• 2014