00308nam a2200133Ia 4500020001500000082001700015100002000032245004900052250000800101260002500109300001200134500000500146700002300151  a0273360442  a330bP735.EE  aPlummer, Alfred  aExercises in economicsbcEd. by M. W. Jones  a5th  aLondonbPitmanc1971  avi,82p.  a  aJones, M. W. ; ed.