"External Communication in Social Media During Asymmetric Conflicts". transcriptVerlag. Archived from the original on 1 August 2021. Retrieved 31 July 2021
"External Communication in Social Media During Asymmetric Conflicts". transcriptVerlag. p. 100. Retrieved 1 August 2021. Hirschberger, Bernd. "External Communication
2019). Time and Space in Video Games: A Cognitive-Formalist Approach. transcriptVerlag. ISBN 978-3-8394-4713-0. Fülöp, Erika (June 8, 2021). Fictionality
Klassische Musik heute. Eine Spurensuche in der Rockmusik, Bielefeld transcript-Verlag 2009 ISBN 978-3-8376-1249-3 "Grammy Awards – Sting". National Academy