00462nam a2200169Ia 4500003000400000005001700004008004100021020001800062040000700080041000800087082002200095100002600117245008400143260004000227300001200267365001300279OSt20230426095019.0210423s2011    xx            000 0 und d  a9788127267179  cAL  aeng  a658.4034 CHAK223  aCHAWLA (K K); others.  aPractical problems in operation research: quantitative analysis for management.  aNew DelhibKalyani Publishersc2011  a976bPB  b375cINR