CHO.2'P07 UG/24019 UG/24020 Elements of workshop technology (V2) : machine tools / S. K. Hajra Choudhury ... [et. al] ; in collabooration with S. C. Bhattacharya. – 13rd ed. – Mumbai : Media Promoters, 2007 (2009 reprint) V2 (xvi, 700 [])p. : ill. ISBN8185099154 : Rs.225/- . Machine – shop practice . Mechanical engineering . Machine – tools . Manufacturing processes . Bhattacharya, S. C., Collaboration |