00299nam a2200109Ia 4500082002400000100001900024245008200043260002900125300002500154500000500179700000500184  a338.109542bM697.AP  aMohammad Shafi  aAgricultural productivity and regional imbalances; a study of Uttar Pradeshb  aNew DelhibConceptc1984  axxiii, 345p., index.  a  a