Choudhur, Samir Kumar Hajra Elements of workshop technology / by Samir Kumar Hajra Choudhury, A. K. Hajra Choudhury, Nirjhar Roy - 14th ed. - Bombay : Media Promoters & Publishers PUT Ltd., c2007. - vol. 1 ; xiv, 681 p. : tables, diagrs. ; 22 cm. Includes appendixes and index v. 1. Manufacturing processes. ISBN: 8185099146 (pbk.) 9788185099149 (pbk.) Subjects--Topical Terms: Machine-shop practice. Machine-tools.Workshop technology. Dewey Class. No.: 621.7 / CHO/E