Nyaera, D. R., and D. W. Okeyo, Ph.D. “Organizational Leadership Styles and Change Management in Telecommunication Industry in Kenya: Case Study of Telkom Kenya”. Journal of Strategic Management, vol. 3, no. 4, Nov. 2019, pp. 12-24, https://stratfordjournals.org/journals/index.php/journal-of-strategic-management/article/view/382.