Choudhury, S. K. Hajra Elements of workshop technology: manufacturing processes/ S. K. Hajra Choudhury, A. K. Choudhury, Nirjhar Roy and S. C. Bhattacharyya - Revised and enlarged edition - Mumbai : Media Promoters & Publishers, 2003 - 650 pages illustrations. 25 cm. ISBN: 8185099146 LCCN: sa 64002447 Subjects--Topical Terms: Metal-work--Handbooks, manuals, etc. LC Class. No.: TS210 / .R66