Antonio Luis Cardenas, Dasa

$4.80

Antonio Perez Esclarin, San Pablo

$6.00

A. Rubio Gil, Diaz de Santos

$33.60

Pablo Rios Cabrera, Cognitus

$9.13

Fe y Alegria, Estudios

$9.60

Aldebaran Contreras, Davide Publicidad

$8.40

Victor Colina, Biosfera

$9.24

L. Sagols - J. Linares, Mcgraw Hill

$25.20

$10.44

Dario Linares Hernandez, Dl Editoriales

$10.69

Norman E. Gronlund, Trillas

$34.91

Jose Gregorio Bello P., Panapo

$7.20

$14.40

Luis Quintana, Mcgraw Hill

$24.00

Ana Ponce de Leon, Ccs

$14.40