“Pengaruh Disiplin Dan Semangat Kerja Terhadap Prestasi Kerja Karyawan Pada PT. PLN UPT Cabang Pekanbaru”. Management Studies and Entrepreneurship Journal (MSEJ), vol. 3, no. 3, July 2022, pp. 1264-72, https://doi.org/10.37385/msej.v3i3.886.