Antonio Perez Esclarin, San Pablo

$8.40

Luis Quintana, Mcgraw Hill

$12.00

Fe y Alegria, Estudios

$9.60

H. Reichmann, Thomson

$42.00

Frida Diaz Barriga Arceo, Mcgraw Hill

$36.00

$1.51

Abel Cortese, Planeta

$30.00

Carlos Marx, Literatura Narrativa

$10.20

Carreño, Kingkolor

$7.20

Victor Colina, Biosfera

$9.24

Antonio Luis Cardenas, Dasa

$4.80

$10.44

$14.40

Jose Gregorio Bello P., Panapo

$7.20

Luis Quintana, Mcgraw Hill

$24.00