Rana, M S . Forest extension / M.S. Rana. - Dehra Dun : Bishen Singh Mahendra Pal Singh , 1990. - 224p. : ills ; 21cm . Includes bibliographical references ISBN: Rs. 190.00 (Hb) Subjects--Index Terms: FOREST Dewey Class. No.: 634.9 / RAN/F