$10.44

Victor Colina, Biosfera

$9.24

L. Sagols - J. Linares, Mcgraw Hill

$25.20

Fe y Alegria, Estudios

$9.60

Daniel Goleman, Building

$27.95

$10.20

Antonio Perez Esclarin, San Pablo

$6.00

Jose Gregorio Bello P., Panapo

$7.20

H. Reichmann, Thomson

$42.00

Antonio Perez Esclarin, San Pablo

$7.29

$6.07

Antonio Luis Cardenas, Dasa

$4.80

$6.07

Luis Quintana, Mcgraw Hill

$12.00

Abel Cortese, Planeta

$30.00