“PENGARUH LINGKUNGAN KERJA, DISIPLIN KERJA, DAN MOTIVASI TERHADAP KINERJA PETUGAS KEAMANAN PADA PT SAHABAT MANDIRI KESATRIA (SMART) PALEMBANG”, JSA, vol. 1, no. 1, pp. 507–528, Aug. 2026, Accessed: Aug. 21, 2026. [Online]. Available: https://journal-edu.org/index.php/jsa/article/view/361