Lü Yong’an, Zhong Yan, Sun Yan. Pondering on Problems in Reverting Farmland to Forests and Grassland[J]. Journal of Beijing Forestry University (Social Science), 2004, 3(1): 34-37.
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Citation:
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Lü Yong’an, Zhong Yan, Sun Yan. Pondering on Problems in Reverting Farmland to Forests and Grassland[J]. Journal of Beijing Forestry University (Social Science), 2004, 3(1): 34-37.
|
Lü Yong’an, Zhong Yan, Sun Yan. Pondering on Problems in Reverting Farmland to Forests and Grassland[J]. Journal of Beijing Forestry University (Social Science), 2004, 3(1): 34-37.
|
Citation:
|
Lü Yong’an, Zhong Yan, Sun Yan. Pondering on Problems in Reverting Farmland to Forests and Grassland[J]. Journal of Beijing Forestry University (Social Science), 2004, 3(1): 34-37.
|
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