Huruluwewa, Jayasenavi. <br/><br/>
Science - Grade 9 :  Evaluatory Tests for Skill Development. 

 - 1st Ed. 
 - Colombo :   Samudra book publication,  
 - 152 p. 
<br/><br/><label>ISBN: </label>9789550202737 
<br/><br/><label>Dewey Class. No.: </label>500  / HUR