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Universal Decimal Classification Summary

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MAIN TABLES > MATHEMATICS. NATURAL SCIENCES > Environmental science. Conservation of natural resources. Threats to the environment and protection against them > Threats to the environment

Termo preferencial

504Threats to the environment

502/504 Environmental science. Conservation of natural resources. Threats to the environment and protection against them

Pollution

504

Ameaças ao ambiente

português

URI

http://udcdata.info/025436

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