000 00294nam a2200145Ia 4500
100 _aKalavathy/ S.
250 _a2
942 _cBK
245 _aOperation Research
260 _bVikas Publishing House
_c2002
082 _a003/KAL
_bKAL
300 _a536
546 _aENGLISH
999 _c35519
_d35519