Spector Paul E <br/><br/>
Research designs 

 - Beverly  Hills Sage Publication         1981 
 - 80p.  cm. 
 - Quantitative Applications in the Social Sciences; 23 .
<br/><br/> Bibliography 78-80p 
<br/><br/><label>Standard No.: </label>26788 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B280bsigma, M1