http://www.the-security-times.com/wp-content/uploads/starchiv/SecurityTimes_Feb2019.pdf

https://www.swp-berlin.org/en/publication/the-corona-crisis-and-international-relations-open-questions-tentative-assumptions/

https://www.swp-berlin.org/fileadmin/contents/products/studien/2020S01_lpt_prt_WEB.pdf#page=7

https://www.swp-berlin.org/fileadmin/contents/products/research_papers/2020RP04_China_USA.pdf#page=7

https://www.swp-berlin.org/fileadmin/contents/products/studien/2020S26_Corona_Studie.pdf#page=7

https://www.swp-berlin.org/fileadmin/contents/products/comments/2019C07_prt.pdf

http://hdl.handle.net/10419/256549

https://www.swp-berlin.org/en/publication/what-trump-will-be-leaving-behind-if-he-leaves/

https://www.swp-berlin.org/kurz-gesagt/2018/die-europaeer-muessen-jetzt-ohne-die-usa-mit-iran-verhandeln/

https://www.swp-berlin.org/en/point-of-view/2018/europeans-should-negotiate-with-iran-without-the-us/

https://inef.uni-due.de/index.php?rex_media_type=ImgTypeName&rex_media_file=entwicklungspolitik_in_zeiten_der_sdgs_web.pdf

http://hdl.handle.net/10419/252911

http://hdl.handle.net/10419/255897

https://opendata.uni-halle.de//handle/1981185920/106838

More information on the full text

http://hdl.handle.net/10419/252529

https://opendata.uni-halle.de//handle/1981185920/107413

http://hdl.handle.net/10419/254471

http://hdl.handle.net/10419/255911

https://opendata.uni-halle.de//handle/1981185920/107515