SITUMORANG, C. H. KOMITMEN NEGARA DALAM MEMBERIKAN JAMINAN HARI TUA BAGI PEKERJA. Sosio Informa, [S. l.], v. 3, n. 3, 2017. DOI: 10.33007/inf.v3i3.935. Disponível em: https://ejournal.poltekesos.ac.id/index.php/Sosioinforma/article/view/935. Acesso em: 19 sep. 2024.