00285nam a2200109 a 450000500170000000800410001704100080005810000120006624500450007826400410012330000110016420260716125017.0260701s1981    ii            000 0 eng d  aeng1 aSiragul10aText book of economics XI th /cSiragul. 1aBombay :bParesh Publication,c1981.  a257 p.