Sovani, N. V. Economics of a multiple-purpose river dam report of an inquiry into the economic benefits of the hirakud dam / by Sovani, N. V. ; Rath, Nilakantha - Poona Gokhale Institute of politics and economics 1960 - xvi, 389p. ill. : map 25 cm. Dewey Class. No.: 330.19278 / SOV