Manual labour and its more effective use in competition with machines for earthwork in the ECAFE region / report by the Secretariat
1957
Files
تفصيلات التسجيلة (السجل)
رمز / رقم الاستدعاءE/CN.11/WRD/Conf.3/L.1
العنوانManual labour and its more effective use in competition with machines for earthwork in the ECAFE region / report by the Secretariat
إمكانية الوصولEnglish: E_CN.11_WRD_Conf.3_L.1-EN - PDF ;
تاريخ[New York] : UN, 22 Oct. 1957
الوصف
64 p.