| 其他書名 | A Symposium Presented at the Annual Meeting of the American Educational Research Association, February 4-7, 1971, New York City |
| 出版 | Wisconsin Research and Development Center for Cognitive Learning, 1969 |
| URL | http://books.google.com.hk/books?id=pVO-0AEACAAJ&hl=&source=gbs_api |