PT - JOURNAL ARTICLE AU - Cheng F. Lee AU - Shafiqur Rahman TI - New evidence on timing and security selection skill of mutual funds AID - 10.3905/jpm.1991.409324 DP - 1991 Jan 31 TA - The Journal of Portfolio Management PG - 80--83 VI - 17 IP - 2 4099 - https://pm-research.com/content/17/2/80.short 4100 - https://pm-research.com/content/17/2/80.full