00385nam a2200133Ia 4500020001500000020001500015082001600030100002300046245009300069260004800162300001300210546001200223700001600235  a8171582028  a8171582176  a330bROY/EN  aRoy Chowdhury, S K  aEncyclopaedia of economic development V.15:bagriculture, productivity and rural economy  aNew DelhibAkashdeep Publishing Housec1991  axi,339p.  aEnglish  aShukla, P R