Tuckman, Bruce W.,  1938- <br/><br/>
Conducting educational research / 
Bruce W. Tuckman 
 - New York :  Harcourt Brace Jovanovich,  1972 
 - 402 p. :  ill. ;  24 cm. 
<br/><br/> Includes indexes 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0155129805 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research