EJOURNAL, E. Halaman Depan Vol 8 No 4 Desember 2003. Sosio Informa, [S. l.], v. 8, n. 4, 2003. DOI: 10.33007/inf.v8i4.1011. Disponível em: https://ejournal.poltekesos.ac.id/index.php/Sosioinforma/article/view/1011. Acesso em: 21 sep. 2024.