OPEN University of Sri Lanka <br/><br/>
Course of study leading to the degree of bachelor of science level 5: botany PSU 

 - Nugegoda  The Open University of Sri Lanka  1989 
 - 291 p. 
<br/><br/><label>ISBN: </label>139206 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microbiology
<br/><br/><label>Dewey Class. No.: </label>579  / OPE