Andrew S. Tanenbaum, Pearson Educacion
$25.00
C. Verde - S. Gentil, Trillas
$20.00
Lair Ribeiro - Lordello, Urano
$7.17
Djamil T. Kahale Carrillo, Vadell Hermanos
$7.00
D. Eiteman - A. Stonehill, Prentice Hall
$35.00
P. Montoya - M. Ramirez, Mcgraw Hill
$12.00