Kothari, C R <br/><br/>
Quantitative techniques 

 - New Delhi  Vikas pub  1992 
 - viii; 596 p. 
<br/><br/><label>ISBN: </label>07069 
<br/><br/><label>Subjects--Index Terms: </label>Statistical Mathematics;Probability sampling;Chi-square 
<br/><br/><label>Dewey Class. No.: </label>519.5