Training materials
Difficulty level: Intermediate
and Contributors: Jacqueline Ullmann
and Authors: Ann-Kathrin Bernards or Jan Slifka or Marta Lloret Llinares or Pablo Moreno
Difficulty level: Intermediate
and Contributors: Jacqueline Ullmann
and Authors: Ann-Kathrin Bernards or Jan Slifka or Marta Lloret Llinares or Pablo Moreno