Wekesa, Diana Christabel Natecho, et al. “Unpacking the Leadership–Performance Nexus: Competence Heterogeneity Utilization As a Statistical Mediator in Selected Central Government Ministries in Kenya”. JBMI Insight, vol. 3, no. 5, Sept. 2026, pp. 112-24, https://jbmipublisher.org/system/index.php/home/article/view/171.