CHO.1'P11 UG/23980 UG/23981 UG/23982 UG/23983 UG/23984 Elements of workshop technology (V1) : V1 : manufacturing processes / S. K. Hajra Choudhury ... [et. al] ; in collabooration with S. C. Bhattacharya. – 15th ed. – Mumbai : Media Promoters, 2011 (2012reprint) xiv,670 []p. : ill. ISBN8185099146 : Rs.250/- . Machine – shop practice . Mechanical engineering . Machine – tools . Manufacturing processes . Bhattacharya, S. C., Collaboration |