Jutta Portner

Books
Better Negotiating Better Negotiating
Better Negotiating
2017
30 Minuten Small Talk 30 Minuten Small Talk
30 Minuten Small Talk
2011
Virtual Negotiation Virtual Negotiation
Virtual Negotiation
2024
Virtuell verhandeln Virtuell verhandeln
Virtuell verhandeln
2023
Flexibel verhandeln Flexibel verhandeln
Flexibel verhandeln
2017
Besser verhandeln Besser verhandeln
Besser verhandeln
2010

Audiobooks
30 Minuten Small Talk 30 Minuten Small Talk
30 Minuten Small Talk
2005