00321nam a2200121Ia 45000030006000000080041000060400015000471000035000622450053000972600020001505460012001700050017001820STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aAllam, G.C.; Donnilhorne, A.G.  aIntroduction the problem of economic development  bMacmillanc1950  aEnglish20220125165630.0