Pablo Rios Cabrera, Cognitus

$9.13

H. Reichmann, Thomson

$42.00

Miguel Del Cura, Paraninfo

$45.60

Dario Linares Hernandez, Dl Editoriales

$10.69

$1.51

Jose Gregorio Bello P., Panapo

$7.20

Prof. Ramon Grau, Ediciones Grau

$7.20

Livian Navarro Caro, Panapo

$1.20

$10.44

$14.40

Antonio Luis Cardenas, Dasa

$4.80

Fe y Alegria, Estudios

$9.60

$10.20

Frida Diaz Barriga Arceo, Mcgraw Hill

$36.00

Abel Cortese, Planeta

$30.00