PARAPAT, J. The Existence of PT Jamsostek in Social Security Services For Workers with a Specific Time Work Agreement (PKWT) (Study at PT Jamsostek (Persero) Belawan Branch). Inspirasi & Strategi (INSPIRAT): Jurnal Kebijakan Publik & Bisnis, [S. l.], v. 13, n. 1, p. 33–43, 2022. DOI: 10.35335/inspirat.v13i1.161. Disponível em: https://ejournal.isha.or.id/index.php/Inspirat/article/view/161. Acesso em: 24 aug. 2026.