00689nam a22002057a 450000500170000002000290001704000330004608200120007910000220009124500820011325000120019526000470020730000360025450001040029050400200039454600090041465000140042365000240043770000220046120251003135008.0  a0198773994cTZS 10,000/=  aMCCLbeng.eAACR 2nd rev.ed.  a330 LIP  aRichard G. Lipsey  aAn introduction to positive economics c/ Richard G. Lipsey, K. Alec Chrystal  a7th ed.  aOxford :bOxford University Press, c1995.  axxii, 808 p. : bill. ;c26 cm.  aSpine title: Positive economics
7th ed originally published: London : Weidenfeld and Nicolson, 1989  aIncludes index.  aeng.  aEconomics  aInternational trade  aChrystal K. Alec