Prof. Ramon Grau, Ediciones Grau

$7.20

Jose Gregorio Bello P., Panapo

$7.20

Luis Quintana, Mcgraw Hill

$24.00

Luis Quintana, Mcgraw Hill

$12.00

Miguel Del Cura, Paraninfo

$45.60

$10.20

Pablo Rios Cabrera, Cognitus

$9.13

$10.44

Carreño, Kingkolor

$7.20

$10.44

A. Rubio Gil, Diaz de Santos

$33.60

Norman E. Gronlund, Trillas

$34.91

Victor Colina, Biosfera

$9.24

$14.40

Antonio Perez Esclarin, San Pablo

$6.00