Farm Management and Natural Resource Economics http://nsdl.niscpr.res.in/jspui/handle/123456789/267 2026-08-06T12:06:54Z 2026-08-06T12:06:54Z Farm Record Maintenance and Cost Analysis Singh, R.K. http://nsdl.niscpr.res.in/jspui/handle/123456789/649 2014-09-23T10:16:17Z 2008-05-23T10:42:41Z Farm Record Maintenance and Cost Analysis Singh, R.K. 2008-05-23T10:42:41Z