00335nam a2200133Ia 45000030006000000080041000060400015000471000031000622450035000932500010001282600034001385460012001720050017001840STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aAgarwal, A.N.; Singh, S.P.  aEconomics of under development  aFirst  bOxford University pressc1976  aEnglish20220125165620.0