“Pengaruh Kepemimpinan Transformasional Terhadap Kinerja Instruktur PT. United Tractors Tbk. Jakarta”. Jurnal Ilmiah Mandala Education 8, no. 1 (January 17, 2022). Accessed June 30, 2026. https://ejournal.mandalanursa.org/index.php/JIME/article/view/2871.