Norman E. Gronlund, Trillas

$34.91

$6.07

Dario Linares Hernandez, Dl Editoriales

$10.69

A. Rubio Gil, Diaz de Santos

$33.60

$10.44

Ana Ponce de Leon, Ccs

$14.40

H. Reichmann, Thomson

$42.00

$14.40

Victor Colina, Biosfera

$9.24

Antonio Perez Esclarin, San Pablo

$6.00

Aldebaran Contreras, Davide Publicidad

$8.40

Miguel Del Cura, Paraninfo

$45.60

$10.44

Frida Diaz Barriga Arceo, Mcgraw Hill

$36.00

Antonio Perez Esclarin, San Pablo

$7.30