DescriptionWikimania 2021 Speaker Guidebook - German.pdf Deutsch: Wikimania 2021 - Rede-Handbuch Date 16 July 2021 Source Own work Author BJiang (WMF)...
https://creativecommons.org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English updated Wikimania 2022 Speaker Guidebook...