Submitted on: 20 August 1998.
Revised on: 06 November 1998.
Accepted on: 02 January 1999.
___________________Investment Analysts Journal---INVESTMENT ANALYSTS SOC SOUTHERN AFRICA
Submitted on: 01 August 2024.
Revised on: 29 August 2024.
Accepted on: 20 October 2024.
___________________Investment Analysts Journal---INVESTMENT ANALYSTS SOC SOUTHERN AFRICA
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