我国肉羊生产技术效率及科技进步贡献分析

刘玉凤,王明利*,石自忠,王宏宇

Analysis of Technical Efficiency and Technological
Progress Contribution in Mutton Sheep Production

LIU Yu-feng, WANG Ming-li*, SHI Zi-zhong, WANG Hong-|yu

. 2014, (3): 156 -161 . DOI: 10.13304/j.nykjdb.2014.072