| 其他書名 | An Interagency Survey Conducted for the Congress of the United States by the Department of Health, Education, and Welfare |
| 出版 | U.S. Department of Health, Education, and Welfare, Office of Education, Institute of International Studies, 1969 |
| URL | http://books.google.com.hk/books?id=Sbe6AAAAIAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |