Luis Quintana, Mcgraw Hill

$12.00

Livian Navarro Caro, Panapo

$1.20

$10.44

Dario Linares Hernandez, Dl Editoriales

$10.69

Aldebaran Contreras, Davide Publicidad

$8.40

Victor Colina, Biosfera

$9.24

Norman E. Gronlund, Trillas

$34.91

L. Sagols - J. Linares, Mcgraw Hill

$25.20

Jose Gregorio Bello P., Panapo

$7.20

Pablo Rios Cabrera, Cognitus

$9.13

Prof. Ramon Grau, Ediciones Grau

$7.20

A. Rubio Gil, Diaz de Santos

$33.60

$1.52

Antonio Perez Esclarin, San Pablo

$6.00

Miguel Del Cura, Paraninfo

$45.60