Rewarding people the skill of responding positively
| Egile nagusia: | |
|---|---|
| Beste egile batzuk: | , |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
London
Routledge
1993.
|
| Saila: | International series on communication skills.
|
| Gaiak: |