• Journal of the Korean Society for Nondestructive Testing
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• v.15 no.3
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• pp.461-466
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• 1995

• Journal of the Korean Society for Nondestructive Testing
• /
• v.5 no.1
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• pp.48-51
• /
• 1985

• Journal of the Korean Society for Nondestructive Testing
• /
• v.2 no.1
• /
• pp.50-52
• /
• 1982

• 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.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
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• 2001

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