Sharma, B K <br/><br/>
Gyan sangathan evam suchna punaraprapti: Prayogatmak 

 - Agra  Y K Publishers  2015 
 - 188 p. 
<br/><br/> 2228 24/12/2015 HBD15/1241 29/12/2015 Main Budget 
<br/><br/><label>ISBN: </label> RS850 
<br/><br/><label>Dewey Class. No.: </label>025.524 S23G