我国西部地区农民专业合作社发展的外部环境现状研究——基于西部71家合作社的问卷调查
아국서부지구농민전업합작사발전적외부배경현상연구——기우서부71가합작사적문권조사
External Environment of Agricultural Cooperatives in China’s Western Region:Based on Survey of 71 Agricultural Cooperatives in Western China