Ecotourism :  A guide for planners and managers / 
Ed. by Kreg Lindberg, Donald E. Hawkins. 
 - North Bennington, VT :  Ecotourism Society,  1993. 
 - 175 p.  ill. 
<br/><br/>Includes bibliogr. references 
<br/><br/><label>ISBN: </label>0963633104 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecotourism