WASET
    Edikan E. Akpanibah Obinichi C. Mandah Imoleayo S. Asiwaju,  Effect of Supplementary Premium on the Optimal Portfolio Policy in a Defined Contribution Pension Scheme with Refund of Premium Clauses.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    April 2019, vol. 149(5). 117 - 125
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10010344.