Teaching the elementary school subjects :  content and strategies in teaching the basic elementary school subjects / 
Enriqueta V. Unit ... [et al.]. 
 - Manila :  REX Bookstore,  c1995. 
 - 502 p. 
<br/><br/><label>ISBN: </label>971-23-1699-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, Elementary--Study and teaching