000			00352nam a2200157Ia 4500
008			200518s9999 xx 000 0 und d
020			_a9789325963474
082			_a 001.424 KAL-O4
100			_a kalavathy
245			_a operations research
250			_a4
260			_b VIKAS
300			_a528
650			_a Operations research
942			_cBK
999			_c53153 _d53153