Livian Navarro Caro, Panapo

$1.20

H. Reichmann, Thomson

$42.00

$10.20

Abel Cortese, Planeta

$30.00

Fe y Alegria, Estudios

$9.60

Antonio Perez Esclarin, San Pablo

$6.00

$14.40

Frida Diaz Barriga Arceo, Mcgraw Hill

$36.00

Victor Colina, Biosfera

$9.24

L. Sagols - J. Linares, Mcgraw Hill

$25.20

Luis Quintana, Mcgraw Hill

$12.00

$10.44

$10.44

Jose Gregorio Bello P., Panapo

$7.20

A. Rubio Gil, Diaz de Santos

$33.60