Freddy Suarez Figueroa, Romor
$7.13
F. Kerlinger - H. Lee, Mcgraw Hill
$43.29
M. Morris Mano - Ch. Kime, Prentice Hall
$22.00
Aldebaran Contreras, Davide Publicidad
$7.00
Salvador Zubiran, Mcgraw Hill
$56.00
Alfredo Pares Salas, Juridica Venezolana
$6.00
C. Burrus - J. Mcclellan, Prentice Hall
$12.28
I. Zabalza - E. Llera, Fc Editorial
$26.00