“An Empirical Investigation into Effectiveness Correlate of Transactional Leadership and Nurses Staff Variants in Kirkuk City Hospitals: An Analytical Study of Leadership Impact on Nursing Performance and Organizational Outcomes"”. Journal of Current Medical Research and Opinion 8, no. 04 (April 25, 2025): 4113–4121. Accessed October 19, 2026. https://manuscriptcentral.info/index.php/jcmro/article/view/1043.