The art of group discipline : a mental hygiene approach to leadership /
Gorde:
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Argitaratua: |
New York :
Association Press,
1951.
|
| Gaiak: |
| Deskribapen fisikoa: | 124p. |
|---|---|
| Bibliografia: | Includes bibliographical references. |