Bose, Asok Notes on the geology and economic resources of the Southern area of hill Tippera Asok Bose - Agartala Tripura State Tribal Cultural Research Institute and Museum 1995 - 91p. 22cm Subjects--Uniform Titles: Geology -- IndiaGeology -- Economic -- India -- Tripur Subjects--Index Terms: Dewey Class. No.: 555.415 / BOS