Jayeola, D., P. O. Aye, and B. E. Adegbite. “Diversification of Stationary Data for Optimizing Risk of Portfolio”. Earthline Journal of Mathematical Sciences 14, no. 6 (October 24, 2024): 1259-1266. Accessed December 24, 2024. https://earthlinepublishers.com/index.php/ejms/article/view/950.