MARASINGHE, M.S.LR.P. <br/><br/>
An estimate of the Recreasonal Value of Yala National Park 

 -  Colombo : the Department of t  he National2002 
 - X, 34 p 
<br/><br/><label>ISBN: </label>955-9017-05-5 
<br/><br/><label>Dewey Class. No.: </label>363.7009549