Allan Feldman, Herbert Altrichter, Peter Posch, Bridget Somekh,
"Teachers Investigate their Work. An introduction to action research across the professions."
, Auflage 3, Routledge, London & New York, 2018, ISBN: 978-1-138-22575-6
Original Titel:
Teachers Investigate their Work. An introduction to action research across the professions.