Training people effectively the teaching manual for instructors and supervisors in business, education, industry and the professions
| Yazar: | |
|---|---|
| Materyal Türü: | Kitap |
| Dil: | English |
| Baskı/Yayın Bilgisi: |
Philadelphia, Pa.
Lefax Pub.
c1970.
|
| Konular: |