Blalock, Hubert M. <br/><br/>
An Introduction to social research / 
Hubert  M. Blalock 
 - New Jersey :  Prentice-Hall ,  1970 
 - 120p. :  ill. ;  21 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>13496828 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research<br/>Research and development<br/>Social sciences
<br/><br/><label>Dewey Class. No.: </label>007  / BLA