Santiago, Florenda I. <br/><br/>
Environmental science : a shared responsibility towards the earth 

 - Manila    Rex Book Store,   1996 
 - x, 168 p. ; ill. 
<br/><br/><label>ISBN: </label>971-23-2026-x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences
<br/><br/><label>Dewey Class. No.: </label>Fil 363.7 Sa5e