| 其他書名 | A Contribution to the Standing Conference of European Ministers for Education Held in Helsinki from 5 to 7 May 1987 |
| 出版 | Office for Official Publications of the European Communities, 1987 |
| ISBN | 92825801219789282580127 |
| URL | http://books.google.com.hk/books?id=izOfAAAAMAAJ&hl=&source=gbs_api |