Dwivedi, Deo Vrat <br/><br/>
Ganit manoranjan / 
Deo Vrat Dwivedi 
 - Alahabad :  Archana publication ,  2009 . 
<br/><br/><br/>In hindi 
<br/><br/><label>ISBN: </label>81905010100 
<br/><br/><label>Subjects--Index Terms: </label>Mathematics