000			00318nam a2200133Ia 4500
008			240723s9999 xx 000 0 und d
041			_aEnglish
084			_aX _bP
245		0	_aProblems in operations research
260			_aDelhi _bSultan Chand & Co. _c2003
300			_ap.771
650			_aEconomics
942			_cBK
999			_c332806 _d332806