Castro, Loreta N. <br/><br/>
Araling panlipunan tungo sa isang masayang mundo / 
Loreta N. Castro. 
 - Manila :  National Book Store,  c1993. 
 - vii, 120 p. : ill. 
<br/><br/> Includes bibliography 
<br/><br/><label>ISBN: </label>9710855301 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Peace