Cohen, Louis, <br/><br/>
Research methods in education / 
Louis Cohen, Lawrence Manion and Keith Morrison 
 - Eighth Edition 
 - xxvii, 916 pages :  illustrations ;  25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781138209862 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research--Great Britain