Indah Suwarni, SuparjoSuparjo , NurchayatiNurchayati , and Gita Sugiyarti  , “The Influence Of Transformational Leadership And Self Efficacy On Employee Performance Through Employee Engagement: Study of Semarang City Bapenda Employees”, ICTMT, vol. 1, no. 2, pp. 538–547, Dec. 2023.