Altrichter, Herbert <br/><br/>
Teachers investigate their work :  an introduction to the methods of action research / 
Herbert Altrichter, Peter Posch and Bridget Somekh. 
 - London :  Routledge,  1993. 
 - 223 p. :  il. 
 - Routledge series in investigating schooling .
<br/><br/><label>ISBN: </label>0415093562 
<br/><br/><label>Encabezamiento--Tema: </label><br/>Educación--Investigación