Irma Del Valle Brito, Santillana

$9.35

Maite Dautant, Saber

$5.00

Yris Molina G., Monfort

$14.00

Marilo Moreno, Actualidad Escolar 2000

$3.29

Fernando Gonzalez Lucini, Estudios - Anaya

$7.00

Pablo Bravo, Biosfera

$19.80

Sofia Smeke M., Noriega

$17.16

M. Bermudez-t. Moscarella, Santillana

$8.86

Mariana Obregon, Saber

$15.00

$23.02

Ramona M. Rivero, Romor

$6.50

$26.57

Hecsil Coello, Santillana

$9.95

G. Katz - M. Katz, Mcgraw Hill

$5.00

$7.00