HARAHAP, M. B.; MANURUNG, S. R.; MARBUN, M. A.; MIHARDI, S. Advances in Social Sciences Research Journal, [S. l.], v. 3, n. 11, 2016. DOI: 10.14738/assrj.311.2288. Disponível em: https://journals.scholarpublishing.org/index.php/ASSRJ/article/view/2288. Acesso em: 28 apr. 2024.