C. Opitz
发表
Isabell M. Welpe,
P. Kenning,
Linn Viktoria Rampl,
2016
.
A. Geis,
C. Opitz,
H. Pfeifer,
2020,
German Politics.
Kay H. Hofmann,
C. Opitz,
2014
.
H. Fjelde,
Kristine Höglund,
C. Opitz,
2013
.
A. Geis,
C. Opitz,
H. Pfeifer,
2021,
Foreign Policy Analysis.
Kay H. Hofmann,
C. Opitz,
2018,
Applied Economics.
C. Opitz,
T. Etzold,
2018
.
C. Opitz,
T. Etzold,
2016
.
A. Geis,
C. Opitz,
H. Pfeifer,
2022,
The Hague Journal of Diplomacy.
P. Hugon,
Rutger Kramer,
C. Opitz,
2016
.
C. Opitz,
2006
.
C. Opitz,
2006
.
P. Kenning,
Linn Viktoria Rampl,
C. Opitz,
2014,
Marketing Letters.
Kay H. Hofmann,
C. Opitz,
2016
.