Analisis Unsur Serapan Pada Media Luar Ruangan Di Kecamatan Padangsidimpuan Utara. Jurnal Ilmiah Mandala Education, [S. l.], v. 7, n. 3, 2021. DOI: 10.58258/jime.v7i3.2334. Disponível em: https://ejournal.mandalanursa.org/index.php/JIME/article/view/2334. Acesso em: 18 sep. 2026.