Educational exhibits, how to prepare and use them; a manual for extension workers
שמור ב:
| OCLC: | 16741189 |
|---|---|
| מחבר ראשי: | |
| שפה: | English |
| יצא לאור: |
Washington,
U.S. Govt. Print. Off.,
1948.
|
| סדרה: | Miscellaneous publication (United States. Dept. of Agriculture).
no. 634. |
| נושאים: | |
| פורמט: | Government Document Monograph Note that CRL will digitize material from the collection when copyright allows. |