Variability in Quality of Indian Non-Coking Coal: Source, Extent and Impact on Coal and Power Sector http://127.0.0.1/xmlui/handle/123456789/16424 2026-04-18T00:57:22Z 2026-04-18T00:57:22Z Variability in Quality of Indian Non-Coking Coal: Source, Extent and Impact on Coal and Power Sector Sadangi, Saroj Kumar http://127.0.0.1/xmlui/handle/123456789/16425 2025-09-19T04:14:12Z 2025-03-01T00:00:00Z Variability in Quality of Indian Non-Coking Coal: Source, Extent and Impact on Coal and Power Sector Sadangi, Saroj Kumar 2025-03-01T00:00:00Z