00823nam a22002171 4500 1/18722 020131s2001 enk 1 eng d 1840642769 19264 DLC GR-PeUP 338.4791 TI Tisdell, Clement Allan. Tourism economics, the environment and development : analysis and policy / Clem Tisdell Cheltenham : Edward Elgar Pub, 2001 x, 371 p. : ill., maps ; 25 cm. Sustainable development. Ecotourism Economic aspects. Tourism Economic aspects. INST UNIPILB MAIN 20040709 338.4791 TI 00138870 00138870 LOAN 0 1 INST UNIPILB MAIN 20050202 338.4791 TI 00146016 00146016 LOAN 0 2 /webopac/covers/01/19264_1840642769.jpg