Guidelines :  development of national parks and protected areas fo r tourism. 

 - Madrid, Spain :  World Tourism Organization,  1994 
 - ii, 53 p. :  ill. ;  30 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9284400260 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tourism.<br/>National Parks.
<br/><br/><label>Dewey Class. No.: </label>338.479 GUI