Field C. Barry. <br/><br/>
Environmental activities: 
Barry C. Field. 
 - 2nd Canadian ed. 
 - Toronto:  McGraw-Hill Ryerson,  2002. 
 - xiv,498 p. : 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0070880506 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental policy.
<br/><br/><label>LC Class. No.: </label>HC79.E5F54 2002