Setiamenda Ginting. “PELATIHAN KOMUNIKASI INTERPERSONAL DI PT. MITRA SEJATI REJEKI”. Jurnal Abdimas Mutiara, vol. 2, no. 1, Mar. 2021, pp. 458-60, https://e-journal.sari-mutiara.ac.id/index.php/JAM/article/view/4401.