GBD <br/><br/>
Sisur Bikash Ahru Shikan Vigyan/ 
By GBD 
 - Guwahati,  Good Books Distributors , 
 - 268p 
<br/><br/><label>ISBN: </label>CE1017 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>370,GBD