Choudhury, S.K. Hajra Elements of Workshop Technology; vol 1: manufacturing processes by S.K. Hajra Choudhury, A.K. Hajra Choudhury and Nirjhar Roy - Mumbai Media Promoters and Publishers Pvt. Ltd 2003, 2017 - xiv, 650p. ISBN: 8185099146 Subjects--Topical Terms: Workshop technology-civil engineering Dewey Class. No.: 624 CHO