IUCN

Stratégie de développement national durable : manuel de préparation et de mise en oeuvre

Ecoturismo, ingresos locales y conservacion : el caso de Cuyabeno, Ecuador

A park manager's introduction to economic impact assessment

A regional action plan for protected areas in East Asia

Conservation and the future : trends and options toward the year 2025

Guidelines for cave and karst protection

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