Virendra, Indu <br/><br/>
Vigyapano me prayukt hindi 

 - Delhi  Satya Prakashan  2015 
 - 216 p. 
<br/><br/> 4940 28/12/2022 VP23/078 27/02/2023 Main Budget 
<br/><br/><label>ISBN: </label> RS 525.00 
<br/><br/><label>Dewey Class. No.: </label>659.1 V816V