Jutta Portner

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

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