"Costello, Patrick J.M" <br/><br/>
Effective action research 

 - 2nd ed. 
 - London  Continuum  2011 
 - 132p. 
<br/><br/><label>ISBN: </label>9781441163752 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Action research in education
<br/><br/><label>Dewey Class. No.: </label>370.72 COS 2nd ed