Background Reading Material on the Intellectual Property System of Sri Lanka  English 
World Intellectual Property Organization  
 - Geneva:  World Intellectual Property Organization   1991  
 - viii, 303 p.  24 cm 
<br/><br/><label>ISBN: </label>9280502808 
<br/><br/><label>Dewey Class. No.: </label>346.5493048  / WOR