Olunkwa, C., O. Osu, B., N. C. Njoku, K., & C. Chisom, O. (2023). MEAN VARIANCE OF FRACTIONAL STOCHASTIC MODEL AND LOGARITHM UTILITY OPTIMIZATION OF A PENSION FUND WITH TAX AND TRANSACTION COST. GPH - International Journal of Mathematics, 6(08), 01-18. https://doi.org/10.5281/zenodo.8330632