00370nam a2200145Ia 4500008004100000082001600041100001600057245004500073250000600118260003800124300000800162650001400170650002000184653002000204170901s1977    xx            000 0 und d  a338.9bS29T  aSeth, M. L. 0aTheory and Practice of Economic Planning  a6  aNew DelhibS. Chand and Co.c1977  a732  aEconomics  aSocial sciences  aEconomic policy