MUJIYONO, Mujiyono. Effectiveness of e-Procurement, Regulations, and Supervision on Transportation Subcontract Performance: The Mediating Role of Subcontract Governance at PT Pos Indonesia. Siber Journal of Transportation and Logistics, [S. l.], v. 4, n. 1, p. 1–6, 2026. DOI: 10.38035/sjtl.v4i1.671. Disponível em: https://research.e-siber.org/SJTL/article/view/671. Acesso em: 7 may. 2026.