Rizvi, B.R.. Hill Kornlas of Chhattisgarh : study of tribal economy / B.R.Rizvi. - New Delhi : Gian Publishing House , 1989. - xviii,216p. : ills.,dia.,maps.,pic.,table ; 22cm . NULL ISBN: 8121202469 Rs.150.00 Subjects--Index Terms: TRIBES-INDIA-MADHYA PRADESH Dewey Class. No.: 307.77209543 /