G. Katz - M. Katz, Mcgraw Hill

$6.00

Maite Dautant, Saber

$12.00

B. Barcenas - M. Cottin, la Cadena Capriles

$2.40

Yris Molina G., Monfort

$16.80

$28.00

$26.50

Gisela Soto, Cobo

$12.00

M. Restrepo - L. Rios, Susaeta

$11.94

Maria C. Peña Juzgado, Actualidad

$26.00

Elba Albujas Veliz, Biosfera

$22.44

Pablo Bravo, Biosfera

$18.20

Francisco Avila, Saber

$12.00

Y. Arcas - L. Arenas, Santillana

$12.14

$8.40

$11.94