ILO (International Labour Office Geneva) Introduction to work study. International Labour Office Geneva - 3rd (rev.) ed. - Geneva : International Labour Office, 1979, c1978. - xiv, 442 p. : ill. ; 28 cm. Errata slip inserted. Bibliography: p. 439-441. ISBN: 922101939X 25.00F LCCN: 82119466 Nat. Bib. No.: Sw*** Subjects--Topical Terms: Work measurement.--IMEMethods engineering. LC Class. No.: T60 / .I57 1979 Dewey Class. No.: 658.542 ILO