Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
338.272 SMF.5 47018
India. Steel, Mines and Fuel, Ministry Report of the coal price revision committee on the Bengal, Bihar coal fields and the outlying coalfields Delhi Manager of Publications 1959 56p. other than Assam and Andhra Pradesh * Coalfields Production economics