Charles, C.M <br/><br/>
Introduction to educational research / 
C. M. Charles 
 - 2nd ed. 
 - London :  Longman,  c1995. 
 - xvii, 332 p :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0801312736 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research.
<br/><br/><label>Dewey Class. No.: </label>370.78