00273nam a22001217a 4500 230522b |||||||| |||| 00| 0 eng d 8170141303 003 V.K. Kapoor Operations research Sultan Chand & Sons ddc 9585 9586 0 0 ddc 0 0 MAIN RTCLIB RTCLIB MAIN 2023-05-22 177464 003 CHA c.2 30018432 2023-05-22 00:00:00 2023-05-22 MAIN 0 0 ddc 0 0 MAIN RTCLIB RTCLIB MAIN 2023-05-22 177465 003 CHA c.1 30018758 2023-05-22 00:00:00 2023-05-22 MAIN