LEADER 01123nam a2200289 i 4500 001 991003333929707536 008 080213s2007 enkab b 001 0 eng d 020 $a1845932374 020 $a9781845932374 035 $ab13670657-39ule_inst 040 $aDi.S.Te.B.A.$eng 082 0 $a910.684$222 245 00$aQuality assurance and certification in ecotourism /$cedited by Rosemary Black And Alice Crabtree 260 $aWallingford, UK ;$aCambridge, MA :$bCABI,$c2007 300 $axxxix, 516 p. :$bill., maps ;$c25 cm 440 0$aEcotourism book series ;$v5 504 $aIncludes bibliographical references and index 650 0$aEcotourism$xQuality control 650 0$aEcotourism$xCertification 700 1 $aBlack, Rosemary 700 1 $aCrabtree, Alice 907 $a.b13670657$b28-01-14$c13-02-08 912 $a991003333929707536 945 $aLE003 338 EBS01.01 05 (2007)$g1$i2003000085334$lle003$op$pE89.43$q-$rl$s- $t0$u1$v2$w1$x0$y.i14750697$z13-05-08 996 $aQuality assurance and certification in ecotourism$9827117 997 $aUNISALENTO 998 $ale003$b13-02-08$cm$da $e-$feng$genk$h0$i0