Kioko, Daniel M., and Mackred Ochieng. “Effect of Portfolio Diversification on the Financial Performance of Investment Firms Listed in the Nairobi Securities Exchange”. Journal of Finance and Accounting 4, no. 5 (December 22, 2020): 77–96. Accessed January 22, 2026. https://stratfordjournalpublishers.org/journals/index.php/journal-of-accounting/article/view/656.