Ecology and coal resource development based on the international congress for energy and the ecosystem, held at the University of North Dakota, Grand Forks, North Dakota, 12-16 Jun...

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Handbook of environmental engineering

Handbook of building security planning and design

Model seminar & syllabus on consumer protection under existing laws.

Readings in environment, 1979-80.

Understanding business and consumer law حسب Rosenberg, Reuben Robert 1900-

Plants, people, and environment

The influence of technology in determining emission and effluent standards.

Plants, people and environment

Environmental protection. حسب Chanlett, Emil T.