The State of the environment.

The State of the environment.

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מידע ביבליוגרפי
Corporate Authors: United Nations Environment Programme, United Nations Environment Programme. Governing Council
פורמט: ספר
שפה:English
יצא לאור: Nairobi, Kenya United Nations Environment Programme
מהדורה:Began in 1973.
נושאים:
Environmental policy > Periodicals.
Environment > Periodicals.
Environmental pollutants > Periodicals.
Environmental pollution > Periodicals.