Ibbotson Brett Ed. <br/><br/>
Environmental management in Canada. 

 - Toronto  McGraw-Hill         1996 
 - xxi,259p  cm. 
<br/><br/><label>Standard No.: </label>36312 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:(G:55).72'N9, N6