OPEN University of Sri Lanka <br/><br/>
Botany PSU2106: Plant ecology 2, block 1 

 - Nugegoda  The Open University of Sri Lanka  1987 
 - 132 p. 
<br/><br/><label>ISBN: </label>245661 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant ecology
<br/><br/><label>Dewey Class. No.: </label>581.78  / OPE