00394nam a2200121Ia 4500 260921b |||||||| |||| 00| 0 eng d 658.4034 Sy989.OR Symposium on Operational Research, New Delhi, 8-10 February, 1965 28013 Operational research ; papers presented at the symposium / New Delhi: CSIR, n.d. ddc BK 0 0 0 658_403400000000000_SY989_OR 0 12022 ISI ISI 1998-09-09 0 658.4034 Sy989.OR DP1786 2019-02-14 00:00:00 BK 9787 9787