SIHOMBING, D. J. C. Developing an Outsource Driver Management Application to Improve Cargo Company Operational Efficiency . Jurnal Ekonomi, [S. l.], v. 13, n. 01, p. 2534–2544, 2024. Disponível em: https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/4290. Acesso em: 2 may. 2026.