00459nam a2200157Ia 4500 170901s1984 xx 000 0 und d 634.928 N37S Negi, S. S. Scientific Management of Forests Dehradun Bishen Singh Mahendra Pal Singh 1984 123 Agriculture and related technologies Technology (Applied sciences) Forest management ddc BK 1 15994 15994 0 0 ddc 0 0 RAU RAU 2017-10-18 UBSPD, Patna 25.00 1 634.928 N37S 42139 2021-01-13 2021-01-07 1989-07-04 BK