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Machlis, Gary E.

The state of national parks in the neotropical realm : a preliminary report prepared for the IUCN

1986 Machlis, Gary E. | Neumann, Roderick P. |

Social science and protected area management : the principles of partnership

Machlis, Gary E. |

Extended GAP analysis : a technique for biodiversity management of protected area systems

Machlis, Gary E. | Forester, Deborah |

On interpretation : sociology for interpreters of natural and cultural history

1992 Machlis, Gary E. | Field, Donald R. |

The state of the world's parks : an international assessment for resource management, policy and research

1985 Machlis, Gary E. | Tichnell, David L. |

Friends of the National Parks : a report on friends group throughout the National Park System

1993 Machlis, Gary E. | Medlin, Nancy C. |

Protected area management and planning in China : a training manual, working draft

1988 Machlis, Gary E. | Marsh, John |

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