Long Scott J. <br/><br/>
Common problems/ proper solutions:  avoiding error in quantitative research / 
by J. Scott Long 
 - London:  Sage publishers,  1987. 
 - 335 p.  ill. 
<br/><br/> includes bibliographic references. 
<br/><br/><label>ISBN: </label>0-8039-2807-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social science --Statistical methods