00272nam a2200109Ia 4500082002500000100003300025245004700058260003300105300001400138500000500152700000500157  a338.1095412bB743.AE  aBose, S. R. and Ghosh, P. P.  aAgro economic survey of Biharbpilot study  aPatnabB.K. Enterprisec1976  aiv, 173p.  a  a