PINEM, Mbina. Pemilihan Kepala Daerah Kabupaten Langkat. JURNAL GEOGRAFI, [S. l.], v. 3, n. 2, p. 19–30, 2011. DOI: 10.24114/jg.v3i2.7356. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/geo/article/view/7356. Acesso em: 11 jul. 2025.