Catchillar, G.C. <br/><br/>
Fundamentals of environmental science / 
Gerry C. Gatchillar. 
 - Mandaluyong City:  National Book Store,  c2008. 
 - 93 p.;  22 cm. 
<br/><br/> Includes bibliographical references 
<br/><br/><label>ISBN: </label>971-086-862-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science.
<br/><br/><label>Dewey Class. No.: </label>GC 363.7 C357 2008