Explore and discovery 2 :   work text in Science and Health for elementary / 
Susan Dela Cruz ...[at al].  
 - Manila :  Rex Bookstore,   2004. 
 - 366p. : ill.   
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>TR 372.35 D371 2004