1
Pioch, Sebastian
2021
“...YPGF - Information management, communication management...”2021
Table of Contents
2
Ortner, Gerhard
2015
“...YPGF - Information management, communication management...”2015
Table of Contents
3
Franken, Rolf
2011
“...YPGF - Information management, communication management...”2011
Table of Contents