Hanushek Eric A <br/><br/>
Statistical methods for social scientists 

 - New York       Academic Press         1977 
 - xii, 374p.  cm. 
<br/><br/><label>Standard No.: </label>26782 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B280bsigma, L7