00258nam a2200097 a 450000500170000008200150001710000160003224500430004826000480009130000210013920251203090736.0  a338.9bTAN  aTandon,B.C.  aEconomic planningbTheory and practice  aAllahabadbChaitanya Publishing Housec1987  a480p.c22cm. PPB