Mulyadi. “PENGARUH MOTIVASI KERJA DAN DISIPLIN KERJA TERHADAP KINERJA KARYAWAN PT. SAMATOR GAS INDUSTRI BATAM”. Jurnal Cakrawala Ilmiah 1, no. 4 (December 24, 2021): 449–460. Accessed July 4, 2025. https://bajangjournal.com/index.php/JCI/article/view/829.