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1conference_item bibliotecaUNESCO
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2conference_item bibliotecaUNESCO
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3Digital revistaSCIELO
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7Environmental protection and afforestation. Proceedings Environmental protection and afforestation. Proceedingsby Ray, M. (ed.), National Seminar on Environmental Protection (with Special Emphasis on Afforestation) eng 4-6 Sep 1988 Santiniketan (India), Mandal, S. (ed.)
Published 1990Texto bibliotecaFAO IT -
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