00378nam a2200145   450000100060000000300030000600500170000900800410002603500190006703500180008605000210010410000200012524500660014526000210021121606UR20220427165301.0061103|||||||||||||||||||||||||||||||| d  a(janium) 21595  a(janium)21594 4aQA300b.D72 19671 aDraper, Jean E.10aMathematical analysisb : business and economics applications  bHarper andc1967