PDF(284 KB)
PDF(284 KB)
PDF(284 KB)
华北平原粮棉生产发展变化与市场机制转换
THE FLUCTUATION AND THE MARKETING MECHANISM OF GRAIN AND COTTON PRODUCTION IN THE NORTH PLAIN OF CHINA
| {{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
| 〈 |
|
〉 |