1. Year book of labour statistics
| Title | Year book of labour statistics = Annuaire des statistiques du travail : 1991 Anuario de estadisticas del trabajo : 1991 |
|---|---|
| Main entry-corp. | International Labour Organisation |
| Publication | Geneva : International Labour Office, 1991 |
| Scope | xvii, 1132 s. |
| Document kind | Yearbooks - monography |