Miguel Del Cura, Paraninfo

$45.60

$10.44

Norman E. Gronlund, Trillas

$34.91

Luis Quintana, Mcgraw Hill

$12.00

Jose Gregorio Bello P., Panapo

$7.20

Fe y Alegria, Estudios

$9.60

Frida Diaz Barriga Arceo, Mcgraw Hill

$36.00

$10.44

$10.20

$6.07

Victor Colina, Biosfera

$9.24

Antonio Perez Esclarin, San Pablo

$8.40

A. Rubio Gil, Diaz de Santos

$33.60

$6.07

Antonio Luis Cardenas, Dasa

$4.80