Delwedd Flaen

The Twenty-ninth day accomodating human needs and numbers to the earth's resources

Manylion Llyfryddiaeth
Prif Awdur: Brown, Lester R.
Fformat: Llyfr
Cyhoeddwyd: New York W.W. Norton and Company, Inc. 1978
Pynciau:
Human ecology.
Natural resources.
Population.
Environmental policy.