SANDRIANI, P.; HARAHAP, K. The Effect Of Work Discipline And Work Supervision On Work Productivity Of BPJS Ketenagakerjaan Employees In North Medan Branch. Jurnal Sosial Sains dan Komunikasi, [S. l.], v. 1, n. 02, p. 39–52, 2023. DOI: 10.58471/ju-sosak.v1i02.97. Disponível em: https://jurnal.seaninstitute.or.id/index.php/sosak/article/view/97. Acesso em: 26 may. 2026.