Osu, B. O. “Optimal Portfolio Selection for a Defined Contribution Pension Fund With Return Clauses of Premium With Predetermined Interest Rate under Mean-Variance Utility: Optimal Portfolio Selection for a Defined Contribution Pension Fund With Return Clauses of Premium With Predetermined Interest Rate under Mean-Variance Utility”. Asian Journal of Mathematical Sciences(AJMS), vol. 2, no. 02, Jan. 2019, http://www.ajms.in/index.php/ajms/article/view/162.