00530nam a2200193Ia 4500 230125s9999 xx 000 0 und d eng 658.4034 GUP Gupta P K 110418 Problems in operations research -Methods and solutions 6th ed 1992 S. Chand & Company Ltd. Delhi 904p Operations research Operations Research Management Gupta P K & Mohan M 114831 92427 92427 0 0 0 0 HIMR HIMR 2001-11-23 Satya Gilani 110.00 658.4034 GUP DB0614 HIMR-DB-614 2023-01-25 00:00:00 110.00 2001-11-23 DB DB0614