| 其他書名 | A Study of Improvements in the Marketing of Agricultural Products |
| 出版 | U.S. Department of Agriculture, Agricultural Marketing Service, Marketing Research Division, 1958 |
| URL | http://books.google.com.hk/books?id=vDyy_qYQ-XgC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |