Choudhury S.K. Hajra and others Elements of workshop technology Choudhury S.K. Hajra and others - 11th - Mumbai Media promoters & publishers India 1964 - 653p. cm. - V1 . ISBN: 8185099146 Standard No.: 50679 Source: Textual Subjects--Topical Terms: TECHNOLOGY Dewey Class. No.: F, K4.1