00370nam a2200121Ia 4500008004100000082001900041100004100060245002600101260003800127300000800165546000900173650006600182230312s9999||||xx |||||||||||||| ||und||  a382.122bBHA-O  aProf :  ( Dr.)  Saeed  Akhtar Bhatti 0aOPERATIONS   RESEARCH  bA - ONE  PUBLISHERSaLahorec1998  a496  aEng.  aManagementvClassification of  our Model,   Phase of an study