Choudhury, S. H. Hajra , Elements of Workshop Technology Vol-I : Menufacturing Processes / By S. H. Hajra Choudhury and Other . - 15 th ed. - Mumbai Media Promoters 2012 - xiv;670p.: 22 cm. ISBN: 8185099146 Subjects--Topical Terms: Elements of Workshop TechnologyMechanical Engineering Dewey Class. No.: 620.816