Training materials
Difficulty level: Intermediate
and Contributors: Alex Ostrovsky or Dr. Bernard de Bono or Dr. Jim Procter or Hana Pergl Sustkova or Martin Strauch or Michael Krone or Prof. Tom Freeman
Difficulty level: Intermediate
and Contributors: Alex Ostrovsky or Dr. Bernard de Bono or Dr. Jim Procter or Hana Pergl Sustkova or Martin Strauch or Michael Krone or Prof. Tom Freeman