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Items where Subject is "RESOURCES CONSERVATION"

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OECD Macrothesaurus (14)
- ENVIRONMENT; NATURAL RESOURCES (14)
  - RESOURCES CONSERVATION (14)
    - NATURE CONSERVATION. (3)
    - RESOURCES CONSERVATION. (3)
    - WATER CONSERVATION. (2)
    - ENVIRONMENTAL PROTECTION. (6)

Number of items at this level: 0.

This list was generated on Sat Oct 23 01:09:05 2021 CST.