| 其他書名 | Report of a Conference Under the Auspices of the U.S. Department of Health, Education, and Welfare, Washington, June 19-23, 1961 |
| 出版 | U.S. Department of Health, Education, and Welfare, Office of Education, 1962 |
| URL | http://books.google.com.hk/books?id=CT660AEACAAJ&hl=&source=gbs_api |