00311nam a2200121Ia 4500100002700000366000700027654002300034245004900057260003400106082001800140300000800158546002300166  aPai/Pradeep Prabhakar   f25  aoperation research  aOperations Research: Principles and practice  bOxford university pressc2012  a658.4034bPAI  a827  aENGLISHcInfo.Tech