De Soysa, Shamidra <br/><br/>
දැනුම් සමුදුර - 3 
= danum samudura -3 


 - Ambalangoda;  Soysa pub,  1999. 
 - 300p.  20cm 
<br/><br/><label>ISBN: </label>955-95934-3-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intelligence<br/>Genaral knowledge
<br/><br/><label>Dewey Class. No.: </label>153.9  / DSO