Fennell, David A. <br/><br/>
Ecotourism / 
by David A. Fennell 
 - 4th 
 - Oxon:  Routledge/Taylor and Francis,  2015. 
 - xviii, 336 p. 
<br/><br/>1.The essence of ecotourism--<br/>2.Core criteria used to define ecotourism--<br/>3.Topics and issues important to ecotourism . 
<br/><br/><label>ISBN: </label>9780415829656 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PL
<br/><br/><label>Dewey Class. No.: </label>338.4791  / FEN-E