00422nam a2200169Ia 4500003000400000005001700004008004100021020001800062040000700080041000800087082002300095100003700118245002600155260004200181300001600223365001300239OSt20230408095420.0210423s2009    xx            000 0 und d  a9788120337206  cAL  aeng  a658.001 223bNADE  aNADAR (E Narayanan);VIJAYAN (S).  aManagerial economics.  aNew DelhibPHI Learning Pvt Ltdc2009  axix,308bPB  b250cINR