Lestario, Febrilian. “Pengaruh Komunikasi, Motivasi, Dan Disiplin Kerja Terhadap Kinerja Karyawan Pada Pt Jasa Marga Tollroad Operator (JMTO) Medan-Binjai”. Innovative: Journal Of Social Science Research, vol. 3, no. 4, Aug. 2023, pp. 3009-1, https://j-innovative.org/index.php/Innovative/article/view/3858.