Biology. :   Text For Class XI /  
By National COuncil Of Educational Research ANd Training  .  
 - 1st ED.   Rep. 
 - Guwahati:  National Council Of Educatrional Research And Training,  2012. 
 - 346p.:  35cm. 
<br/><br/><label>Subjects--Index Terms: </label>Biology 
<br/><br/><label>Dewey Class. No.: </label>574