Gupta, C B. <br/><br/>
An Introduction to Statistical Methods 

 - 7th 
 - New Delhi  Vikas Publishing House Pvt Ltd  1957 
 - 107 
<br/><br/><label>ISBN: </label>9788125916543 
<br/><br/><label>Publisher. No.: </label> Select Publication House 
<br/><br/><label>Subjects--Personal Names: </label> Statistics 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics