Training materials
Authors: Nils Peder Willassen
and Contributors: Bazante Sanders or Eija Korpelainen or Hadley Wickham or Marius van den Beek or Mark Beaumont or Ray Sajulga
Authors: Nils Peder Willassen
and Contributors: Bazante Sanders or Eija Korpelainen or Hadley Wickham or Marius van den Beek or Mark Beaumont or Ray Sajulga