00297nam a2200109Ia 450000500170000000800410001708200140005810000170007224500450008926000450013430000080017920260224040935.0260224s9999||||xx |||||||||||||| ||und||  a519.5 MON  aMonga, G.S.  0aMathematics and statistics for economics  aNew Delhi: Vikas Publishers House,c2002  a895