| 其他書名 | Procedures for Guiding Students in Planning and Developing Long-time Supervised Farming Programs Leading to Establishment in Farming |
| 出版 | Federal Security Agency, U.S. Office of Education, 1943 |
| URL | http://books.google.com.hk/books?id=2oA3jgEACAAJ&hl=&source=gbs_api |