Kariyawasam, Champika S. RATNAYAKE, Sujith. S <br/><br/>
An economic valuation of the recreational benefits from the Royal botanic gardenas peredeniya 
Sujith S.Ratnayake, Champika S.Kariyawasam 
 - Colombo  The Department of National Planning Ministry of Development and implementation  2002 
 - xi, 86 p. 
<br/><br/><label>ISBN: </label>955-9017-13-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Recreation
<br/><br/><label>Dewey Class. No.: </label>333.78095483  / RAT