Roy, B.C.. Tribes of Orissa : the changing socio-economic profile / B.C. Roy. - New Delhi : Gyan Publishing House , 1989. - xxiv,147p. : ill.,figs.,tables ; 23cm . NULL ISBN: 8121202701 Rs. 90.00 Subjects--Index Terms: TRIBES-INDIA-ORISSA Dewey Class. No.: 307.772095413 / ROY/T