Marpaung, R., Muzwar Irawan, Leo Hidayat Fatala Gea, and Shentice Mendrofa. “Penyuluhan Hukum Tentang Peraturan Kode Etik Kepolisian Di Polda Sumut”. Jurnal Abdimas Mutiara, vol. 5, no. 2, Aug. 2024, pp. 353-6, https://e-journal.sari-mutiara.ac.id/index.php/JAM/article/view/5528.