00731nam a2200205Ia 4500 0000004693 20251012174246.0 930115s1990 sz s i001 0 eng d 922006426X 9789220064269 HD4826 .Y44 1991 Year book of labour statistics = Annuaire des statistiques du travail = Anuario de estadâisticas del trabajo International Labour Office. 49th issue. Geneva International Labour Office 1990. 1094 p. 31 cm. At head of title: 1989-90. Working class Statistics. Anaurio de estadâisticas del trabajo. 1990. Annuaire des statistiques du travail. 1990. 8 8 0 0 0 0 KEM KEM 2012-12-07 0 0000002700 2025-10-12 08:34:35 2025-10-12 OS