UNESCO

Presentacion de la Estrategia mundial para la conservacion, Venezuela

Human use of World Heritage natural sites : a global overview

Manual de educación ambiental para Centroamérica

Biosphere reserves - myth or reality? Proceedings of a workshop on biosphere reserves

Planning environmental communication and education : lessons from Asia

MAB information system : Biosphere reserves compilation 4, October 1986

A global overview of forest protected areas on the World Heritage list

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