“Pengaruh Motivasi, Disiplin, Lingkungan Kerja Terhadap Kinerja Karyawan Pada PT Sumo Internusa Indonesia”. Management Studies and Entrepreneurship Journal (MSEJ) 4, no. 4 (June 27, 2023): 3735–3747. Accessed May 18, 2026. https://journal.yrpipku.com/index.php/msej/article/view/2486.