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The state of the environment (1972-1992) :
saving our planet : challenges and hopes.

APA Citation

United Nations Environment Programme. (1992). The state of the environment (1972-1992): saving our planet : challenges and hopes. Nairobi: United Nations Environment Programme.

MLA Citation

United Nations Environment Programme. The State of the Environment (1972-1992): Saving Our Planet : Challenges And Hopes. Nairobi: United Nations Environment Programme, 1992.

Warning: These citations may not always be complete (especially for serials).

The state of the environment (1972-1992) : saving our planet : challenges and hopes.

APA Citation

MLA Citation

The state of the environment (1972-1992) :
saving our planet : challenges and hopes.