KAUFMAN, ZENN.
Showmanship in business. By Zenn Kaufman, Kenneth Goode & Grover Whalen. Rev. ed.
KAUFMAN, ZENN. Showmanship in business. By Zenn Kaufman, Kenneth Goode & Grover Whalen. Rev. ed. © 18May39; A129554. Zenn Kaufman (A); 15Mar67; R406340.
Zenn Kaufman|A