000			00424nam a2200181Ia 4500
008			200428s9999||||xx |||||||||||||| ||und||
020			_c298.80
040			_aMAIN
041			_aEnglish
082			_a519.7 _bRAV
100			_aRavindran,A...[et.al]
245			_aOperation Research: principles and practice
250			_a2nd ed.
260			_bJohn Wiley & Sons _c1987
300			_a637p.
650			_aMATHS
942			_cGB
999			_c728 _d728