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	1.	Image from Amazon.com	Operations Research by Gupta, P.K. & Hira, D.S Edition: 2nd Ed. Material type: Text Language: English Publication details: New Delhi S Chand & Company Ltd. 2021 Availability: Items available for loan: Walchand College of Engineering sangli (6). Place hold Save to lists
	2.		Operations Research by Gupta, P.K. & Hira, D.S Material type: Text Language: English Publication details: New Delhi S. Chand and Company Ltd. 1990 Availability: Items available for loan: Walchand College of Engineering sangli (1). Place hold Save to lists
	3.	Image from Amazon.com	Operations Research by Gupta, P.K. & Hira, D.S Edition: 7th Ed. Material type: Text Language: English Publication details: New Delhi S. Chand and Company Ltd. 2014 Availability: Items available for loan: Walchand College of Engineering sangli (4). Place hold Save to lists
	4.		Operations Research by Gupta, P. K. & Hira, D. S Edition: 2nd Ed. Material type: Text Language: English Publication details: New Delhi S. Chand and Company Ltd. 1987 Availability: Items available for loan: Walchand College of Engineering sangli (1). Place hold Save to lists
	5.		Operations Research by Gupta P.K. & Hira D.S Edition: 2nd Ed. Material type: Text Language: English Publication details: New Delhi S. Chand and Company Ltd. 1990 Availability: Items available for loan: Walchand College of Engineering sangli (2). Place hold Save to lists
	6.		Operation Research. by Gupta.P.K. & Hira.D.S Edition: 3rd Ed. Material type: Text Language: English Publication details: SC&C 1992 Availability: Items available for loan: Walchand College of Engineering sangli (1). Place hold Save to lists