Training materials
Difficulty level: Not specified
and Authors: Nicola Soranzo
and Contributors: Dannon Baker or Dr. Bernard de Bono or Mikko Rautiainen or Paulette Lieby
Difficulty level: Not specified
and Authors: Nicola Soranzo
and Contributors: Dannon Baker or Dr. Bernard de Bono or Mikko Rautiainen or Paulette Lieby