Deo Vrat Dwivedi <br/><br/>
Soochna Prodyogiki Ki Rochak Batein / 
Deo Vrat Dwivedi 
 - Allahabad:  Archana Publications,  2007. 
<br/><br/><br/>in Hindi 
<br/><br/><label>ISBN: </label>9788190501071 
<br/><br/><label>Subjects--Index Terms: </label>Engineering