Choudhury, S. K. Bose, A. K. Hajra Choudhury, Nirjhar Roy S. K. Hajra. creator text S.l.] Media Promoters & Publishers Pvt.. Ltd. 1998 Ninth Edition. monographic 1 v. (unpaged) Machine-shop practice Machine-tools Manufacturing processes Technology--Study and teaching 8185099146 978-8185099149 http://www.amazon.com/exec/obidos/ASIN/B007079RP0/chopaconline-20 http://www.amazon.com/exec/obidos/ASIN/B007079RP0/chopaconline-20