Tiwari, Bhola Nath Kulshreshtha, Vijsy <br/><br/>
Patra vyavahar nirdeshika 

 - New Delhi  Vani prakashan  1993 
 - 195 p.  HB  22 cm. 
<br/><br/><label>ISBN: </label>8170552842 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Hindi Language<br/>letter writing
<br/><br/><label>Dewey Class. No.: </label>808.6  / TIW