Natural resource conservation an ecological approach द्वारा Owen, Oliver S. 1920-

Implementation aspects of an ecosystems approach: the conservation of natural resources program, University of California, Berkeley: 1969-1972 द्वारा Cole, Stuart Loren 1939-

The Ecology of resource degradation and renewal the 15th Symposium of the British Ecological Society, 10-12 July 1973

Man and his physical environment; readings in environmental geology द्वारा McKenzie, Garry D.

Readings in conservation ecology द्वारा Cox, George W. 1935-

The politics of development forests, mines & hydro-electric power in Ontario, 1849-1941 द्वारा Nelles, H. V.

Table of contents only

Environmental conservation.

Available for UP System via Cambridge Core eJournals Collection

Readings in conservation ecology द्वारा Cox, George W. 1935-

Pollution, resources, and the environment द्वारा Ethoven, Alain C. 1930-

World directory of environmental organizations.