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中国农学通报
海南农垦天然橡胶生产科技进步贡献率的测算与分析
刘海清
Calculation and Analysis on Science and Technology Progress Contribution Rate of Natural Rubber Industry in Hainan State Farms
中国农学通报 . 2011, (30): 111 -115 .  DOI: 10.11924/j.issn.1000-6850.2011-2331