HARAHAP, Y. R.; YOPIZA; ISWANDI IDRIS. Analysis of the Internal Cash Control System at BPJS Ketenagakerjaan Belawan Branch. Jurnal Ekonomi, [S. l.], v. 11, n. 02, p. 1333–1343, 2022. Disponível em: https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/553. Acesso em: 18 apr. 2026.