00303nam a2200121Ia 45000030006000000080041000060400015000471000038000622450043001002600009001435460012001520050017001640STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aInternational labour organisation  aEconomics a workers educational manual  c1985  aEnglish20220125165609.0