Singh, D., <br/><br/>
Vyavshayik hindi 
By Dilip Singh 
 - 1st. 
 - Varanasi:  Sanjay,  1992. 
 - 107p. 
<br/><br/><label>Subjects--Index Terms: </label>Office services 
<br/><br/><label>Dewey Class. No.: </label>651.7