R, BLACK  A, CABTREE <br/><br/>
QUALITY ASSURANCE AND CERTIFICATION IN ECOTOURISM 

 - LONDON  ECOTOURISM BOOK SERIES 
 - xxxix ; 516 
<br/><br/><label>ISBN: </label>9781845932374 
<br/><br/><label>Dewey Class. No.: </label> / RBL/REF