BALLING, M. P. W. S. Andrews: On Competition in Economic MacMillan and Co. Ldt., London 141 sider, pris 21 sh. Nationaløkonomisk Tidsskrift, [S. l.], v. 103, 1965. Disponível em: https://tidsskrift.dk/nationaloekonomisktidsskrift/article/view/61198. Acesso em: 4 dec. 2024.