Guidelines

Procedures for developing an environmental education curriculum : a discussion guide for Unesco training seminars on environmental education

1986 Hungerford, Harold R. | Peyton, Robert Ben |

National parks : conservation or cosmetics?

1982 MacEwen, Ann | MacEwen, Malcolm |

Fully-protected marine reserves : a guide

2000 Roberts, Callum | Hawkins, Julie P. |

Los bosques en desarrollo sostenible, vol. 1 : Enfoque estratégico

1997

Forêts et développement durable

1997

Forests in sustainable development

Participatory approach to natural resource management : a guide book

1999 Loikkanen, Teppo | Simojoki, Timo | Wallenius, Pauli |

Stratégie pour un développement durable du tourisme au Sahara

2000 Hosni, Ezzedine |
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