Paperback
ISBN: 978-92-2-102038-7
ISBN-10: 92-2-102038-X
International Labour Office ยท 1979
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Paperback
ISBN: 978-92-2-102038-7 ISBN-10: 92-2-102038-X International Labour Office ยท 1979 |
| See also: | ||
| 1992 | Paperback | Note on the proceedings |
| 1982 | Unknown Binding | Note on the proceedings |
| 1982 | Paperback | Note on the proceedings |
| 1980 | Paperback | Note on the proceedings |
| 1977 | Unknown Binding | Note on the proceedings |