Hector Ramon Peñaranda Q., Luz
$10.00
A. Gllotti - R. Ruiz, Colec. Manuales Practicos
$6.67
Gaceta, la Piedra
$2.30
J. Sanchez - S. Serrano, Diaz de Santos
$25.00
H. Koontz - H. Weihrich, Mcgraw Hill
$71.00
Jorge E. Burbano Ruiz, Mcgraw Hill
$35.00
Aldebaran Contreras, Davide Publicidad
$7.00
Gaceta Nº 40.106, Njr
$2.00