CANADIAN COMPETITION POLICY RECORD. Thomson and Southam Newspaper Chains Face Combines Charges. Canadian Competition Law Review, [S. l.], v. 2, n. 2, p. 22–22, 1981. Disponível em: https://cclr.cba.org/index.php/cclr/article/view/55. Acesso em: 13 may. 2026.