Abdullah, E. “Transformational Leadership, Technical Competencies And Self-Efficacy On Employee Performance (A Subsidiary Of Dana Pensiun Bank Mandiri Empat-DPBME)”. Jurnal Manajemen (Edisi Elektronik), vol. 9, no. 1, Aug. 2018, pp. 12-22, doi:10.32832/jm-uika.v9i1.1283.