Markus, Markus. “Kepemimpinan Dan Pengawasan Terhadap Disiplin Kerja Karyawan”. Journal of Management and Bussines (JOMB) 3, no. 1 (June 22, 2021): 55-62. Accessed November 28, 2021. https://journal.ipm2kpe.or.id/index.php/JOMB/article/view/2456.