00337nam a2200133Ia 45000030006000000080041000060400015000471000031000622450037000932500010001302600034001405460012001740050017001860STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aAgarwal, A.N.; Singh, S.P.  aEconomics of under developedment  aFirst  bOxford University pressc1977  aEnglish20220125165630.0