Barómetro Telecomunicações : Rede fixa / ed. Marktest
Barómetro Telecomunicações : Rede móvel (10 + anos) / ed. Marktest
Handbook of research on organization culture strategies for effective knowledge / ed. Dana Tessier
IIA's CIA learning system : Version 7.0: Self-Study-Full Kit-Online With Prints / ed. The International of Internal Auditors