The future for fixed-mobile substitution [documento electrónico] : options for fixed and mobile operators / Eddie Murphy; ed. Catherine Dyer
Competing in the European directory services market : opportunities in a liberasing market / Marloes van Caspel; ed. by Simon Baugh
Communications markets analysis / ed. Espicom
Barómetro de empresas : Top 1000: 3º Trimestre de 2002: Expectativas para o 4º trimestre / Deloitte & Touche