1. Mário Nunes,
"SISTEMAS DIGITAIS"
Editorial Presença
ISBN: 972-23-1453-X
No. Pages: 285
First edition:
October 1982
Second edition: October 1986
Third edition: March 1988
Forth Edition: October 1991
Fifth edition: October 1993.
2. Mário
Nunes and Augusto Casaca,
"REDES DIGITAIS COM INTEGRAÇÃO DE SERVIÇOS"
Editorial Presença
ISBN: 972 23 1557 9
No. Pages: 235
Edited: October 1992.
