Ardiansyah, R., Soelistya, D. and Desembrianita, E. (2026) “Linking Transformational Leadership and KPI Systems to Employee Performance: The Mediating Role of Expectancy-Based Motivation in Public Transportation”, Sharia Economic and Management Business Journal (SEMBJ), 7(3), pp. 97-110. doi: 10.62159/sembj.v7i3.2668.