Kumar, H.D.
Modern concepts of ecology
House PVT, 1992
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Molles, Manuel C., Jr.
Ecology : concepts and applications
McGraw-Hill, 2013
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Molles, Manuel C., Jr.
Ecology: concepts and applications
McGraw-Hill, 2005
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Brewer, Richard
The science of ecology
Saunders College, 1994
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Krohne, David T.
General ecology
Brook/Cole, 2001
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