00311nam a2200133Ia 45000030006000000080041000060400015000471000018000622450035000802500011001152600022001265460012001480050017001600STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aIsraney, S.M.  aText book of economics systems  aSecond  bKitab Mahalc1979  aEnglish20220125165521.0