Communications markets analysis / ed. Espicom
Barómetro de empresas : Top 1000: 3º Trimestre de 2002: Expectativas para o 4º trimestre / Deloitte & Touche
TL 9000 : quality management system requirements handbook / Quest Forum - Quality Excelence for Suppliers of Telecommunications Forum
TL 9000 : Quality management system measurements handbook / Quest Forum - Quality Excelence for Suppliers of Telecommunications Forum