Ota, A.B. Particularly vulnerable tribal groups (PVTGs) of Odisha (Vol-1) / by A.B. Ota - Bhubaneswar, Odisha, India, Scheduled Castes & Scheduled Tribes Research and Training Institute (SCSTRTI), 2015. - 3 volumes : illustrations (black and white) ; 25 cm ISBN: 9789380705408 Dewey Class. No.: 305.80 / OTA/P