Duyker, Edward . Tribal guerrillas : the santals of West Bengal and the naxalite movement / by Edward Duyker. - Kolkata : Oxford University Press , 1987. - xvii, : pictures, maps ; 21cm . Includes bibliography and index ISBN: Rs. 120.00 (Hb) Subjects--Index Terms: SOCIAL SCIENCE Dewey Class. No.: 306.08 / DUY/T