000			00348cam a2200145ua 4500
020			_a978-93-259-6347-4
082			_a658.4034 _bKAL/O
100			_aKalavathy, S.
245			_aOperations research/
250			_a4th ed.
260			_aNew Delhi: _bVikas Publishing House, _c2013.
300			_a533p.
650			_aOperations research
942			_cBK
999			_c74191 _d74191