Alex C. Walker Foundation

Desarrollo del ecoturismo : un manual para los profesionales de la conservación. Vol. 2 : desarrollo y manejo del ecotourismo

2004 Drumm, Andy | Moore, Alan | Soles, Andrew | Patterson, Carol | Terborgh, John E. |

Ecotourism development : a manual for conservation planners and managers. Vol.2 : The business of ecotourism development and management

2004 Drumm, Andy | Moore, Alan | Soles, Andrew | Patterson, Carol | Terborgh, John E. |
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