Bilaketaren emaitzak - "resource conservation"
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An Act to Designate the J. Phil Campbell, Senior, Natural Resource Conservation Center.
Argitaratua 1997Liburua -
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Poverty, institutions, and the environmental-resource base / Partha Dasgupta and Karl-Göran Mäler.
Argitaratua ©1994Liburua -
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Conservation requirements for groundfish stocks on the Scotian Shelf and in the Bay of Fundy (4VWX), in sub-areas 0, 2 + 3 and redfish stocks.
Argitaratua 2000Continuing Resources -
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Industrial and hazardous wastes impoundment / Nicholas P. Cheremisinoff ... [and others].
Argitaratua 1979Liburua -
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