Luis Quintana, Mcgraw Hill

$10.00

Miguel Del Cura, Paraninfo

$38.00

$8.70

Prof. Ramon Grau, Ediciones Grau

$6.00

Antonio Perez Esclarin, San Pablo

$5.00

$12.00

L. Sagols - J. Linares, Mcgraw Hill

$21.00

A. Rubio Gil, Diaz de Santos

$28.00

Abel Cortese, Planeta

$25.00

H. Reichmann, Thomson

$35.00

Jose Gregorio Bello P., Panapo

$6.00

Luis Quintana, Mcgraw Hill

$20.00

Antonio Luis Cardenas, Dasa

$4.00

Victor Colina, Biosfera

$7.70

Fe y Alegria, Estudios

$8.00