Magbanua, Geraldine O., <br/><br/>
T.R.E.K 4  Science worktext series / 
Geraldine O. Magbanua, Emily J. Lagdamen, Michael Jericho S. Cabahug. 
 - Cainta, Rizal :  Glad Tidings Publishing, Inc.,  2016. 
 - ii-xv, 303 pages :  colored illustrations, tables, figures ;  27 cm. + 
<br/><br/>Includes bibliographical references. 
<br/><br/>Unit 1 - Matter -- Unit 2 - Living things and their environment -- Unit 3 - Force, motion and energy -- Unit 4 - earth and space. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>978-971-778-195-2 
<br/><br/><label>Dewey Class. No.: </label>FIL 500  / M2709