$10.44

Aldebaran Contreras, Davide Publicidad

$8.40

Carreño, Kingkolor

$7.20

Luis Quintana, Mcgraw Hill

$12.00

Victor Colina, Biosfera

$9.24

Jose Gregorio Bello P., Panapo

$7.20

$14.40

Norman E. Gronlund, Trillas

$34.91

Luis Quintana, Mcgraw Hill

$24.00

Antonio Perez Esclarin, San Pablo

$7.30

A. Rubio Gil, Diaz de Santos

$33.60

Pablo Rios Cabrera, Cognitus

$9.13

Fe y Alegria, Estudios

$9.60

$10.44

$10.44