Wijesinghe, L.C.A. de S <br/><br/>
Forestry with special reference to Sri Lanka 

 - Colombo  National Science Council of Sri Lanka  1980 
 - 48p.  Illustration 
 - Science education series ; no 2 .
<br/><br/><label>Dewey Class. No.: </label>634.9  / WIJ