P. P. S. Gogna <br/><br/>
Gogna's Law for CA-PCC/IPCC 

 - 2nd 
 - New Delhi  S Chand  2010 
 - 806 
<br/><br/><label>ISBN: </label>9788121931373 
<br/><br/><label>Dewey Class. No.: </label>347.306 74 GOG-G