Realuyo, Zenaida Montecastro <br/><br/>
Today's basic concepts in earth science / 
by Zenaida Montecastro Realuyo and Isabelina del Pan-Ilarde. 
 - Rev. ed 
 - Manila :  Goodwill Trading Co,  xiii, 305 p. : ill. 
<br/><br/> Includes bibliography and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth science--Study and teaching<br/>Astronomy--Study and teaching<br/>Meteorology--Study and teaching<br/>Climatology--Study and teaching<br/>Geology--Study and teaching