Blalock, Hubert M <br/><br/>
An introduction to social research 
/ by Hubert M. Blalock, Jr 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1970 
 - 120 p. ;  23 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>013496828X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research