Blalock, Hubert M. <br/><br/>
Introduction to social research 

 - New Jersey  Prentice-Hall  1970 
 - 120p. 
 - Prentice-Hall general sociology series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences - Experiments<br/>Social sciences - Research
<br/><br/><label>Dewey Class. No.: </label>300.724 BLA-;