Introduction to Biostatistics/  a textbook of biometry 
Banerjee,Pranab Kumar 
 - New Delhi:  S Chand & Co Ltd,  2011. 
 - 389 
<br/><br/><label>ISBN: </label>9788121923293 
<br/><br/><label>Dewey Class. No.: </label>570.15195  / BAN/I