Patel, N. T. Inputs productivity in agriculture, with an emphasis on irrigation and farm size / N.T. Patel. - New Delhi : Oxford & IBH, c1982. - xii, 226 p. ; 22 cm. Bibliography: p. [223]-226. Subjects--Topical Terms: Agricultural productivity--India.Irrigation farming--India.Farms, Size of--India. Dewey Class. No.: 338.17 / PAI 1982