Ecology and Environment /

gan P.R.Trivedi
Cyhoeddwyd 2004

Environmental economics /

gan Charles D., Kolstad
Cyhoeddwyd 2003

Biodiversity conservation in managed forests and protected areas

Cyhoeddwyd 1998

Colonial forest policy in Uttarakhand(1890-1928) /

gan Amar Farooqui
Cyhoeddwyd 1997

Nature concervation and sustainable development in India /

gan Gole, Prakash
Cyhoeddwyd 2001

Environment: an elaboratory survey /

Cyhoeddwyd 2006

Environmental geography /

gan Girish Chopra
Cyhoeddwyd 2006

Environmental issues and options /

Cyhoeddwyd 2006

Exploring earth: An introduction to physical geology /

gan Davidson, Jon P
Cyhoeddwyd 1997