Basic science : standard VII (Kerala reader) 
State Council of Educational Research and Training, Government of Kerala 
 - Thiruvananthapuram  State Council of Educational Research and Training, Government of Kerala  2009 
 - 72-137 p. ; ill. ; 30 cm. 
<br/><br/> School text book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>500 STA