| 其他書名 | An Aid in the Identification of Dropout Prone Students in the Appalachian Junior High Schools |
| 出版 | Office of Research and Development, Appalachian Center, West Virginia University, 1968 |
| URL | http://books.google.com.hk/books?id=DKsIx5SIPc0C&hl=&source=gbs_api |