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基于GM(1,1)模型的云南林业产业发展预测
尚旭东 张传统 宋国宇
Development Forecast to Forestry Industry in Yunnan Province Based on GM(1,1) Model
中国农学通报 . 2011, (10): 29 -33 .  DOI: 10.11924/j.issn.1000-6850.2010-3396