Sen and Das <br/><br/>
A hand book of biology  : higher secondary course 

 - Culcutta  ;  Dass Publishing 
 - viii,120p.  , V.1 
<br/><br/><label>ISBN: </label> 25 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>574  / SEN