00458 a2200169 4500 44549 44549 WUSLLib 200928b ||||| |||| 00| 0 eng d 0706985672 English 658.4034 KOT Kothari, C.R. 1683 An introduction to operational research New Delhi: Vikas Publishing House, 1982 xv, 520p.; 21cm. General management 3305 L ddc 0 0 ddc 0 0 LEN MAIN MAIN LEN 2009-05-07 330.00 1 658.4034KOT 7254 2018-07-02 00:00:00 2018-05-17 0.00 2016-10-31 L