Tarigan LB, Dalim M, Rismawati R, Sari DC. Pengaruh Komunikasi Internal dan Pengawasan terhadap Produktivitas Kerja Karyawan PTPN IV Regional 2 Medan. IKRAITH-EKONOMIKA [Internet]. 2026Nov.1 [cited 2026Nov.1];9(3):248-55. Available from: https://journals.upi-yai.ac.id/index.php/IKRAITH-EKONOMIKA/article/view/7686