TOVAR, Beatriz; WALL, Alan. Specialisation, diversification, size and technical efficiency in ports: an empirical analysis using frontier techniques. European Journal of Transport and Infrastructure Research, [S. l.], v. 17, n. 2, 2017. DOI: 10.18757/ejtir.2017.17.2.3195. Disponível em: https://journals.open.tudelft.nl/ejtir/article/view/3195. Acesso em: 28 mar. 2024.