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King, Brian J, Erickson, Steven L.. (s.a.). Fundamentals of environmental management . New York: John Wiley.

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King, Brian J, Erickson, Steven L.. Fundamentals of environmental management. New York: John Wiley, s.a.. Text.

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King, Brian J, Erickson, Steven L.. Fundamentals of environmental management. New York: John Wiley, s.a.. Text.

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King, Brian J, Erickson, Steven L.. Fundamentals of environmental management. New York: John Wiley, s.a.. Print.