STUDIES ON THE NATURAL RESOURCES AND THE ESTABL- ISH1NG OF NATIONAL CROP COMMODITY BASE IN HUANG-HUAI-HAI REGION
Han Xiangling, Liu Xunhao, Qu Manli, Wang Hongguang
JOURNAL OF NATURAL RESOURCES ›› 1993, Vol. 8 ›› Issue (2) : 105-114.
STUDIES ON THE NATURAL RESOURCES AND THE ESTABL- ISH1NG OF NATIONAL CROP COMMODITY BASE IN HUANG-HUAI-HAI REGION
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