TY - BOOK AU - Choudhury,S.K.Hajra AU - Choudhury,A.K.Hajra AU - Roy,Nirjhar TI - Elements of workshop technology: vol: I manufacturing processes SN - 8185099146 AV - TS210 C46 2011 PY - 2011/// CY - Mumbai PB - Media Promoters & Publishers Pvt Ltd ER -