Abel Cortese, Planeta

$25.00

Aldebaran Contreras, Davide Publicidad

$7.00

Luis Quintana, Mcgraw Hill

$20.00

Frida Diaz Barriga Arceo, Mcgraw Hill

$30.00

Dario Linares Hernandez, Dl Editoriales

$8.91

$8.70

Antonio Perez Esclarin, San Pablo

$5.00

Luis Quintana, Mcgraw Hill

$10.00

Antonio Luis Cardenas, Dasa

$4.00

Livian Navarro Caro, Panapo

$1.00

$12.00

$4.00

Victor Colina, Biosfera

$7.00

L. Sagols - J. Linares, Mcgraw Hill

$21.00

Pablo Rios Cabrera, Cognitus

$7.61