引用本文: | 王丽佳. 民勤县苜蓿生产效率的DEA-Tobit模型分析[J]. 草业科学, 2017, 11(2): 407-414. DOI: 10.11829/j.issn.1001-0629.2016-0034 |
Citation: | Li-jia Wang. DEA-Tobit analysis of alfalfa productive efficiency in Minqin, Gansu[J]. Pratacultural Science, 2017, 11(2): 407-414. DOI: 10.11829/j.issn.1001-0629.2016-0034 |