Basic science : part - 1 : standard - V 

 - Thiruvananthapuram:  State Council Of Educational Research And Training,  2009 
 - 64 p. : ill. ; 27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>500 KER