Cohen, Louis,  1928- <br/><br/>
Research methods in education / 
Louis Cohen ; Lawrence Manion and Keith Morrison. 
 - 5 ed. 
 - London; New York:   RoutledgeFalmer,   [c2000].  
 - xvi, 446 σ. ;  25 εκ. 
<br/><br/> Reprinted 2005 
<br/><br/>Βιβλιογραφία: σ. 407-437. Ευρετήριο. 
<br/><br/><label>ISBN: </label>0415195411 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Action research in education--Great Britain<br/>Education research
<br/><br/><label>Dewey Class. No.: </label>370.72