OPEN University of Sri Lanka <br/><br/>
Ecology-level 4 Zou2262-Zoology, block 2 

 - Nugegoda  Open University of Sri Lanka  1996 
 - 130 p. 
<br/><br/><label>ISBN: </label>139299 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>577  / OPE