Drucker, Peter Ferdinand (1909-2005). (fr.) Innovation and entrepreneurship ( w 0 rekordach )

1. Drucker, Peter Ferdinand

1. Les entrepreneurs / Peter Drucker. - [Paris], dr. 1988.

1. Drucker, Peter Ferdinand (1909-2005). (fr.) Innovation and entrepreneurship
2. Drucker, Peter Ferdinand (1909-2005). (ang.) Innovation and entrepreneurship
3. Drucker, Peter Ferdinand (1909-2005). (pol.) Innovation and entrepreneurship