Perere, Jayanthi. <br/><br/>
Science Grade-06 Questions with Answers. 

 - 1st, Ed. 
 - Colombo :  Samudra Book Publication, 
 - 92 p. 
<br/><br/><label>ISBN: </label>9789556805048 
<br/><br/><label>Dewey Class. No.: </label>500  / PER