Open University <br/><br/>
Environmental studies-part ii : the impact of human activities 

 - Nugegoda  Open University  0 
 - 2V(v.1-159; v.2-231 p. 
<br/><br/><label>ISBN: </label>139159 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental
<br/><br/><label>Dewey Class. No.: </label>301.3  / OPE