DSpace Collection: http://egyankosh.ac.in//handle/123456789/106395 2026-06-05T22:20:03Z Unit-7 Energy resources http://egyankosh.ac.in//handle/123456789/66170 Title: Unit-7 Energy resources Authors: S.S. Hasan 2019-01-01T00:00:00Z Block-2 Natural resources http://egyankosh.ac.in//handle/123456789/66167 Title: Block-2 Natural resources Authors: S.S. Hasan; Nigam, Amrita Editors: Bhatnagar, A.K. 2019-01-01T00:00:00Z Unit-4 Land and water resources http://egyankosh.ac.in//handle/123456789/66166 Title: Unit-4 Land and water resources Authors: S.S. Hasan 2019-01-01T00:00:00Z Unit-6 Biodiversity: value and services http://egyankosh.ac.in//handle/123456789/62426 Title: Unit-6 Biodiversity: value and services Authors: Nigam, Amrita 2019-01-01T00:00:00Z