Nkechukwu, G. C., Ifenkwe, G. M. and Onuka, N. . (2026) “An Evaluation of Markowitz’s Portfolio Theory and its Applicability in Nigeria’s Investment Environment: : An Empirical Analysis (2010–2025)”, JOURNAL OF EMERGING TRENDS IN MANAGEMENT SCIENCES AND ENTREPRENEURSHIP, 8(2), pp. 192–200. Available at: https://jetmase.com/index.php/jetmase/article/view/226 (Accessed: 13 November 2026).