Richharia, Ritambhara, <br/><br/>
R gupta`s popular master guide : joint csirugc (net) : 

 - New Delhi:  Ramesh Publishing House,  2015. 
 - XV, 407. 
<br/><br/><label>ISBN: </label>17812081X 
<br/><br/><label>Dewey Class. No.: </label>570  / RIC