Environmental aspects

Ecotourism : the potentials and pitfalls

1990 Boo, Elizabeth |

Rehabilitation potential of western coal lands

1974

International trade 90-91, Volume 1

1992

Ecological aspects of economic development planning : report of the seminar organized by the Senior Advisers to ECE Governments on Environmental Problems and the Senior Economic Advisers to ECE Governments and held in Rotterdam, 7-11 April 1975

1975

Ecología, medio ambiente y desarrollo turístico en Canarias

1990 Machado Carrillo, Antonio |

Ecological aspects of development in the humid tropics

1982

Cultural norms, war and the environment

1988 Westing, Arthur H. |

Kagera River basin development : phase II

1978

Natural endowments : financing resource conservation for development : report

1989

Nature tourism : managing for the environment

1991 Whelan, Tensie | Olindo, Perez | Rovinski, Yanina |

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