Dhanapala, A.H. <br/><br/>
සංවර්ධන භූගෝලය 
= Samvardana bhugolaya 


 -  1983 
 - 143p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOLOGY, METEOROLOGY, HYDROLOGY
<br/><br/><label>Dewey Class. No.: </label>910.133  / D31