DSpace Collection: http://egyankosh.ac.in//handle/123456789/107914 2026-04-16T15:25:06Z 2026-04-16T15:25:06Z Unit-7 Energy resources S.S. Hasan http://egyankosh.ac.in//handle/123456789/66170 2025-07-31T14:30:55Z 2019-01-01T00:00:00Z Title: Unit-7 Energy resources Authors: S.S. Hasan 2019-01-01T00:00:00Z Block-2 Natural resources S.S. Hasan Nigam, Amrita http://egyankosh.ac.in//handle/123456789/66167 2025-07-31T14:31:54Z 2019-01-01T00:00:00Z Title: Block-2 Natural resources Authors: S.S. Hasan; Nigam, Amrita Editors: Bhatnagar, A.K. 2019-01-01T00:00:00Z Unit-6 Biodiversity: value and services Nigam, Amrita http://egyankosh.ac.in//handle/123456789/66169 2025-08-02T19:15:37Z 2019-01-01T00:00:00Z Title: Unit-6 Biodiversity: value and services Authors: Nigam, Amrita 2019-01-01T00:00:00Z Unit-4 Land and water resources S.S. Hasan http://egyankosh.ac.in//handle/123456789/66166 2025-08-02T03:47:07Z 2019-01-01T00:00:00Z Title: Unit-4 Land and water resources Authors: S.S. Hasan 2019-01-01T00:00:00Z