引用本文: | 石自忠,王明利. 我国草产品贸易及效率分析. 草业科学, 2019, 36(3): 888-897 . doi: 10.11829/j.issn.1001-0629.2018-0348 |
Citation: | SHI Z Z, WANG M L. Study on forage products trade and its efficiency in China. Pratacultural Science, 2019, 36(3): 888-897 . doi: 10.11829/j.issn.1001-0629.2018-0348 |