Jose Gregorio Bello P., Panapo

$7.20

$6.07

A. Rubio Gil, Diaz de Santos

$33.60

$1.51

Victor Colina, Biosfera

$9.24

Antonio Luis Cardenas, Dasa

$4.80

$10.44

Frida Diaz Barriga Arceo, Mcgraw Hill

$36.00

$6.07

Pablo Rios Cabrera, Cognitus

$9.13

Antonio Perez Esclarin, San Pablo

$6.00

$10.20

Prof. Ramon Grau, Ediciones Grau

$7.20

Abel Cortese, Planeta

$30.00

Antonio Perez Esclarin, San Pablo

$8.40