Bem-estar social e decisão financeira / Jorge Costa Santos; pref. António de Sousa Franco
Business protocol : how to survive and succeed in business / Jan Yager
The GSM system for mobile communications / Michel Mouly and Marie-Bernardette Pautet
Televisão e sistemas de vídeo / Bernard Grob; trad.Juliano Barsali; Marcos Ribeiro Pereira Barreto; Niuton Braga; Paulo Roberto Fernandes; rev. Calia, Edgard G;