YANG Xin_hua, NIE Hua. Similarities between Food Chain in Ecosystem and Value_added Chain of Enterprises[J]. Journal of Beijing Forestry University (Social Science), 2005, 4(2): 79-82.
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Citation:
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YANG Xin_hua, NIE Hua. Similarities between Food Chain in Ecosystem and Value_added Chain of Enterprises[J]. Journal of Beijing Forestry University (Social Science), 2005, 4(2): 79-82.
|
YANG Xin_hua, NIE Hua. Similarities between Food Chain in Ecosystem and Value_added Chain of Enterprises[J]. Journal of Beijing Forestry University (Social Science), 2005, 4(2): 79-82.
|
Citation:
|
YANG Xin_hua, NIE Hua. Similarities between Food Chain in Ecosystem and Value_added Chain of Enterprises[J]. Journal of Beijing Forestry University (Social Science), 2005, 4(2): 79-82.
|
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