Sanchez, Custodiosa. <br/><br/>
Population education / 
Custodiosa sanchez. 
 - Manila :  National Book Store,  1976. 
 - 164p. :  ill. ;  20 cm. 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population education.