Olunkwa C, O. Osu B, N. C. Njoku K, C. Chisom O. MEAN VARIANCE OF FRACTIONAL STOCHASTIC MODEL AND LOGARITHM UTILITY OPTIMIZATION OF A PENSION FUND WITH TAX AND TRANSACTION COST. m [Internet]. 8Sep.2023 [cited 3Jul.2024];6(08):01-8. Available from: https://gphjournal.org/index.php/m/article/view/992