Bilbao, Purita P.  <br/><br/>
Teaching science in the elementary grades :   vol. 1 : chemistry and biology./  
Purita P. Bilbao  
 - Quezon City :   Lorimar Publishing ,    c2019. 
 - xviv, 226 pages :   illustrations ;   25cm. 
<br/><br/>Includes Bibliographical references  
<br/><br/><label>ISBN: </label>	978-621-8035-64-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Science -- ( study and teaching)
<br/><br/><label>Dewey Class. No.: </label>Fil. 507 T255 2019