Luis Quintana, Mcgraw Hill

$10.00

A. Rubio Gil, Diaz de Santos

$28.00

Prof. Ramon Grau, Ediciones Grau

$6.00

Fe y Alegria, Estudios

$8.00

Aldebaran Contreras, Davide Publicidad

$7.00

Ana Ponce de Leon, Ccs

$12.00

Livian Navarro Caro, Panapo

$1.00

$8.50

$8.70

$4.00

Frida Diaz Barriga Arceo, Mcgraw Hill

$30.00

Luis Quintana, Mcgraw Hill

$20.00

Antonio Perez Esclarin, San Pablo

$7.00

H. Reichmann, Thomson

$35.00

Miguel Del Cura, Paraninfo

$38.00