Training materials
Difficulty level: Not specified
and Licence: Creative Commons Attribution 4.0 International
and Authors: John Chilton
and Contributors: Björn Grüning or Celia van Gelder or Manimozhiyan Arumugam or Marek Suchanek or Marek Vrbacky or Nils Peder Willassen or Prof. Maya Topf or Robert Andrews or Sarah Morgan