00000nam 2200000 4500 INLIS000000000002429 20220716120406.0 220716||||||||| | ||| |||| ||eng|| 0010-072200000002429 eng 332.6 332.6 ELT M Elton, Edwin J. Modern portfolio theory and investment analysis 6th.ed. Hoboken, Nj: John Wiley Sons, 2003 xiv, 705 hlm 26 cm. Portfolio Management