Gunasena, H.P.M. <br/><br/>
කෘෂිකාර්මික මුලධර්ම 
 Krishikaarmika muladharma 

 - Colombo  M.D. Gunasena   2001 
 - 409p., ill.,map.,  22 cm 
<br/><br/> Map of distribution soil in Sri lanka 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Universal Decimal Class. No.: </label>63  / GUN