Long-Range Planning for the Indian Coal Industry-Some Quantitative Approaches http://127.0.0.1/xmlui/handle/123456789/4142 Thu, 16 Apr 2026 16:22:38 GMT 2026-04-16T16:22:38Z Long-Range Planning for the Indian Coal Industry-Some Quantitative Approaches http://127.0.0.1/xmlui/handle/123456789/4143 Long-Range Planning for the Indian Coal Industry-Some Quantitative Approaches BHAR, CHANDAN Tue, 14 Jul 2015 05:55:43 GMT http://127.0.0.1/xmlui/handle/123456789/4143 2015-07-14T05:55:43Z