OPEN University of Sri Lanka <br/><br/>
Plant physiology: BTU 2201-level 4 

 - Nugegoda  The Open University of SRi Lanka  0 
 - 63 p. 
<br/><br/><label>ISBN: </label>139168 
<br/><br/><label>Dewey Class. No.: </label>581.1  / OPE