Heograpiya ng daigdig / 
nina Felicitas Manacsa ... [et al.]. 
 - Quezon City :  Katha Pub,  c1990. 
 - viii, 120 p. : col. maps 
<br/><br/> Includes bibliography. 
<br/><br/><label>ISBN: </label>971-150-081-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography--Study and teaching<br/>Maps<br/>Philippines--Geography