00331nam a2200109Ia 4500008004100000040003800041100002000079245006000099250000800159260004100167300001300208211230s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aLewis, W Arthur 0aDevelopment planning: the essentials of economic policy  a1st  bGeorge Allen and UnwinaLondonc1966  a278p. p.