The ecotourism training manual for protected area managers Author(s) Strasdas, Wolfgang Corcoran, Brent Petermann, Thomas
La guía del ecoturismo : o cómo conservar la naturaleza a través del turismo Author(s) Pérez de las Heras, Mónica
Conservación de la biodiversidad en los Andes y la Amazonía : memorias del primer congreso de biodiversidad Author(s) Bussmann, R. W. Lange, S.
Protecting paradise : certification programs for sustainable tourism and ecotourism Author(s) Honey, Martha Rome, Abigail
Linking tourism, the environment, and sustainability : topical volume of compiled papers from a special session of the annual meeting of the National Recreation and Park Association, 1994; Minneapolis, MN, October 12-14, 1994 Author(s) McCool, Stephen F. Watson, Alan E.
