00721cam a2200241 i 4500 0273252135 (hbk.) MAIN T57.6 Beilby, Michael H. Economics and operational research / [by] M. H. Beilby. London : Pitman, 1975. x, 174 p. : ill. ; 23 cm. Topics in operational research Includes bibliographies. Operations research Case studies. Economics, Mathematical Case studies. .b10066603 17-01-07 17-04-03 20230123133813.0 NUST BOOKS T57.6 154917 154917 2023-01-23 00:00:00 5 T57.6 BEI 92003015884 80.00 2023-01-23 BOOKS 0 LCC 0 0 NFIC 0 MAIN MAIN GEN 2023-01-23 80.00