00559nam a22001817a 450000500170000002000300001704000350004708200140008210000200009624500630011625000120017926000450019130000340023650400510027065000180032165000150033965000230035420260723134644.0  a0131994859cTshs.45,000/=  aTegeta-DCC librarybengeAACR2  a338.5 CAS  aCase, Karl. E .  aPrinciples of microeconomics cKarl E. Case and Ray C.Fair  a8th ed.  aNew jerseybPearson prentice hallcc2007  axxxii, 458 p.:bill.;c27 cm.  aIncludes bibliographical references and index.  aMicroeconomic  aElasticity  aThe world economy