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农学学报
农业对外经济合作与粮食安全保障能力分析
陈雅芝
Based on the different economic conditions of jilin maize production mechanization Division pattern research
农学学报 . 2013, (11): 55 -59 .  DOI: 10.11924/j.issn.2095-4050.2013-xb0767