Singh,Sewa <br/><br/>
Colon classification: New practical manual 

 - 1st ed. 
 - Delhi  B.R, publishing corporation  2006 
 - 301p. 
<br/><br/><label>ISBN: </label>8176465275 
<br/><br/><label>Dewey Class. No.: </label>025.435  Si64C