Tiwari, Bhola Nath. <br/><br/>
Vyavharik Shailivigyan / 
By Bhola Nath Tiwari. 
 - 1st Ed. 
 - Delhi :  Parmvesvari Prakashan,  2018. 
 - 182p. ;  00 cm. 
<br/><br/><label>ISBN: </label>9788193433041 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hindi.
<br/><br/><label>Dewey Class. No.: </label>891.433  / TIW