00419cam a2200169ua 450000100060000000800390000602000180004504000090006304100080007208200100008010000310009024500540012125000120017526000370018730000100022465300150023411195190903n        ii  |||gr||||Z||||||eng  a9789386668295  cMAIN  aeng  a338.5  aN Gregory Mankiw,eAuthor.  aPrinciples of microeconomicscBy N Gregory Mankiw  a7th ed.  aDelhi:bCengage learning,c2019.  a495p.  aProduction