00433cam a2200157 7i4500 0000003388 20050417090000.0 0582441862 QA 402.5 G824 Greig Optimisation D.M. Greig. London: Longman, June 1980. 179p.; 22cm.. Longman mathematical texts Mathematical optimization 1000392230 Book Open Shelf KOLEKSI TERBUKA