Biswal, Gopinath. Politics of ecology : case study of Balco Hatao Andolan in the district of Sambalpur, Orissa / Gopinath Biswal - New Delhi : Jawaharlal Nehru University, 1995 - 169p. : ISBN: DissISBN3292 Index Terms--Genre/Form: Dissertation Dewey Class. No.: 363.70095413 / Po