18.97.9.174
18.97.9.174
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예산지역의 (禮山地域) 낙농경영규모가 유량과 유질에 미치는 영향
The effect of dairy Herd size on the milk quantity and the milk quality in Yesan Province
조규석 ( Kyu Suk Cho )
UCI I410-ECN-0102-2009-520-007217486
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