Railways Augmented Production Function for European Union Countries. Journal of Asian Development Studies, [S. l.], v. 10, n. 2, p. 8–25, 2021. DOI: 10.62345/jads.2021.10.2.2896. Disponível em: https://www.poverty.com.pk/index.php/Journal/article/view/2896. Acesso em: 30 jul. 2026.