Lestari, Suci Indah, and Abdul Rahman. “Pengaruh Lingkungan Kerja, Pelatihan Kerja, Dan Komunikasi Internal Terhadap Kinerja Karyawan Pada PT Karya Serasi Jaya Abadi Kabupaten Serdang Bedagai”. SCIENTIFIC JOURNAL OF REFLECTION : Economic, Accounting, Management and Business 9, no. 4 (October 2, 2026): 1523-1532. Accessed October 7, 2026. https://ojspustek.org/index.php/SJR/article/view/1584.