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국제학술대회
논문집, 한국농촌경제연구원농협중앙회한국유기농 협회
Minou Yussefi, 2003. Development and state of Organic Agriculture World-Wide,
IFOAM
National Organic Program(NOP), 2004. Accredited Certifying Agents
Organic Trade Association (OTA), 2004. The OTA 2004 Manufacturer Survey
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