Altrichter, Herbert Teachers investigate their work an introduction to the methods of action research Herbert Altrich, Peter Posch and Bridget Somekh - London Routledge 1993 - 223 p. ; 24 cm. - Investigating schooling series . references p. 210-216 ISBN: 0415093562 RM154.13 LCCN: 92-45851 Subjects--Topical Terms: Action research in education