00346nam a2200145Ia 4500008004100000020001800041041000800059082001500067100001800082245003300100250000600133260003900139300000800178650001400186210716s2011    xx            000 0 und d  a9780761935926  aeng  a338.5 DASS  aDas, Satya P.  aMicroeconomics for business.  a1  aNew DelhibSage Publicationsc2011  a371  aEconomics