1.
|
[Place of publication not identified] : 50Minuten.de, [2018] 2018
|
2.
|
[Place of publication not identified] : 50Minuten.de, [2018] 2018
|
3.
|
[Place of publication not identified] : 50Minutes, [2015] 2015
|
4.
|
[Place of publication not identified] : 50Minutes, [2014] 2014
|
5.
|
Cambridge, United Kingdom ; New York, NY, USA : Cambridge University Press, 2024.
|
6.
|
Hoboken, NJ : John Wiley and Sons, [2022] ©2022
|
7.
|
Newtown Square, Pennsylvania : Project Management Institute, Inc [2024]
|
8.
|
Boca Raton, Florida : Auerbach Publishers, Incorporated, 2020.
|
9.
|
Boca Raton : CRC Press, Taylor & Francis Group, 2024.
|
10.
|
Hoboken, New Jersey : John Wiley & Sons, Inc., [2024]
|