Duwara,Hiralal. <br/><br/>
Prakritir Charibidh Bol 
by Hiralal Duwara 
 - 1st Ed.   Rep. 
 - Guwahati:  Assam Science Society,  1986. 
 - 52p.:  15cm. 
<br/><br/><label>Subjects--Index Terms: </label>Natural sciences & mathematics 
<br/><br/><label>Dewey Class. No.: </label>500