Kaufman, Zenn, 1906–1988
Nationality: 
(United States)
Identities and Authority Control
- Open Library: OL2261638A
- SSN: 129128166
- pdbooks.info ID: 91034
Zenn Kaufman Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| How to run better sales contests | 1935 | Author | |  | | | | ||
| Showmanship in business | 1936 | Author |  |  | | | | ||