Hasibuan, S., and N. triastuti. “Peran Komunikasi Interpersonal Atasan – Bawahan Dalam Divisi C&P (Cooperation & Placement) Politeknik LP3I Medan”. Jurnal ILMAN (Jurnal Ilmu Manajemen), vol. 12, no. 2, July 2024, pp. 34-41, https://journals.stimsukmamedan.ac.id/index.php/ilman/article/view/592.