01123nam a2200289 i 4500991003333929707536080213s2007 enkab b 001 0 eng d18459323749781845932374 b13670657-39ule_instDi.S.Te.B.A.ng910.68422Quality assurance and certification in ecotourism /edited by Rosemary Black And Alice CrabtreeWallingford, UK ;Cambridge, MA :CABI,2007xxxix, 516 p. :ill., maps ;25 cmEcotourism book series ;5Includes bibliographical references and indexEcotourismQuality controlEcotourismCertificationBlack, RosemaryCrabtree, Alice.b1367065728-01-1413-02-08991003333929707536LE003 338 EBS01.01 05 (2007)12003000085334le003pE89.43-l- 01210.i1475069713-05-08Quality assurance and certification in ecotourism827117UNISALENTOle00313-02-08ma -engenk00