西北地区农户服务需求与农民合作基础研究——关于传统合作衰落与“合作难”的解释
서북지구농호복무수구여농민합작기출연구——관우전통합작쇠락여“합작난”적해석
Analysis of the Change in Farmer Service Requirement and Farmers Collaboration FoundationUnder the Agricultural Industrialization in Northwest Region --the Explanation of Traditional Cooperation Decline and "Cooperation Difficult"