其他書名 | A Report and Interpretation by Extension Administrators and Specialists from the University of Arkansas, Cornell University, Iowa State University, the Pennsylvania State University with the Center for Agricultural and Economic Adjustment, Iowa State University, Ames, Iowa, and Education Research Associates, Boulder, Colorado |
出版 | Verlag nicht ermittelbar, 1962 |
URL | http://books.google.com.hk/books?id=2YcfcgAACAAJ&hl=&source=gbs_api |