FATHAN, Rahman; MANIAH, Maniah; MULYATI, Erna. Analysis of The Influences of Regulatory Support and Customer Relationship Management on Green Transportation Throught Cost efficiency at PT Pos Indonesia . Siber Journal of Transportation and Logistics, [S. l.], v. 4, n. 2, p. 171–185, 2026. DOI: 10.38035/sjtl.v4i2.978. Disponível em: https://research.e-siber.org/SJTL/article/view/978. Acesso em: 27 jul. 2026.