Choudhury, S. K. Hajra and Choudhury, A.K. Hajra Elements of workshop technology - 8th ed. - Bombay ; Media Promoters & Publishers , 1967 - ix,664p. , V.2 ISBN: 8185099154 60 Subjects--Topical Terms: Manufacturing EngineeringWorkshop Technology Dewey Class. No.: 670.423 / CHO