Analysis on the Technical Efficiency of Chinese Refining Tea Enterprise
GUAN Xi1,2, YANG Jiang-fan3
1. College of Economics and Management, Nanjing Agriculture University, Nanjing 210095, China; 2. College of Economics and Management, Fujian Agriculture and Forestry University, Fuzhou 350002, China; 3.Wuyi University, Wuyishan 354300, China