PT  - JOURNAL ARTICLE
AU  - Robert A. Haugen
AU  - Edgar Ortiz
AU  - Enrique Arjona
TI  - Market efficiency
AID  - 10.3905/jpm.1985.409033
DP  - 1985 Oct 31
TA  - The Journal of Portfolio Management
PG  - 28--32
VI  - 12
IP  - 1
4099  - https://pm-research.com/content/12/1/28.short
4100  - https://pm-research.com/content/12/1/28.full