18.97.9.175
18.97.9.175
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국제관개배수위원회(國際灌漑排水委員會) 제(第)30차(次) 이사회(理事會)에 다녀와서
International Commissoin on Irrigation and Drainage, 30th International Executive council RABAT 1979
김남혁
UCI I410-ECN-0102-2018-500-004071721
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