00251nam a2200109Ia 4500082002100000100001500021245003900036260004100075300001500116500000500131700000500136  a330.164bN274.RW  aNath, S.K.  aReappraisal of welfare economicsb  aLondonbRoutledge & Kegan Paulc1969  avii, 247p.  a  a