| 其他書名 | A Summary of OE-funded Research Projects and Reports Available Through the Educational Research Information Center, 1956-71 |
| 出版 | U.S. Government Printing Office, 1972 |
| URL | http://books.google.com.hk/books?id=TCzTqQca0LQC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |