Ray, Jagadananda . <br/><br/>
Chumbak /  Textual Documents 
Jagadananda Ray. 
 - 1st ed. / 
 - Sl :  Sn ,  Nd. 
 - 86p. ;  16 cm.. 
<br/><br/><label>Subjects--Index Terms: </label>T/G-Physics 
<br/><br/><label>Dewey Class. No.: </label>538  / R 13 C