Education and Training Policies in Occupational Safety and Health and Ergonomics : international Symposium - 1a. ed - Geneva : International Labour Organisation, 1982. - 389 p. ; 24 cm. - Occupational Safety and Health Series; N§ 47 . ISBN: 9220030020 Subjects--Topical Terms: ERGONOMIASEGURIDAD EN EL TRABAJOSALUD Universal Decimal Class. No.: 658.38