Chiras, D.Daniel <br/><br/>
Environmental science:  Asystems approach to sustainable development/ 
Chiras, D.Daniel 
 - 5th ed. 
 - Toronto:  Wardsworth publishing company,  1998. 
 - xx,608p. : 
<br/><br/> include index 
<br/><br/><label>ISBN: </label>534538746 
<br/><br/><label>Subjects--Topical Terms: </label><br/>environment
<br/><br/><label>LC Class. No.: </label>GE140.C48 1998