RT Journal Article SR Electronic T1 Are Enhanced Index Mutual Funds Worthy of Their Name? JF The Journal of Investing FD Institutional Investor Journals SP 6 OP 15 DO 10.3905/joi.7.2.6 VO 7 IS 2 A1 Mark W. Riepe A1 Matthew D. Werner YR 1998 UL https://pm-research.com/content/7/2/6.abstract AB