Anil Kumar De, Arnab Kumar De,
Environmental Studies - Newdelhi Newage international 2001 - xiii,209p.
8122412939
Nature
Human ecology
Environmental sciences
Environmental policy
India
551.511 / ANI/E
Environmental Studies - Newdelhi Newage international 2001 - xiii,209p.
8122412939
Nature
Human ecology
Environmental sciences
Environmental policy
India
551.511 / ANI/E