Vohra.N.D. <br/><br/>
Business statistics/ 
N.D.Vohra. 
 - 8th reprint 
 - Chennai:  McGraw Hill Education pvt ltd/  2018. 
 - xx;935p.: 
<br/><br/><label>ISBN: </label>9781259004872 
<br/><br/><label>Dewey Class. No.: </label>519.5 VOH.B