000 00319nam a2200133Ia 4500
100 _aPhillips/ Don T/ Ravindran/A
942 _cBK
654 _aOperation
245 _aOperation research principles and practice
260 _bJohn wiley
_aNew York
_c1976
082 _a1.424
_bPHI
300 _a585
546 _aENGLISH
999 _c19116
_d19116