Sergio Medina, Noriega

$24.02

Henry Cedeño, Cobo

$11.94

G. Katz - M. Katz, Mcgraw Hill

$6.00

Marilo Moreno, Actualidad Escolar 2000

$4.74

C. de Rissi - R. Peña, Cobo

$9.60

D. Tovar - N. Gonzalez, Terra Editores

$23.68

Fernando Gonzalez Lucini, Estudios - Anaya

$8.40

B. Barcena - M. Giraldez, Romor

$11.94

Clara Martinez, Girasol

$30.06

Luis R. Rincon, Girasol Lite

$22.77

Mariana Obregon, Saber

$18.00

Ramona M. de Rivero, Romor

$6.00

$2.40

Gisela Soto, Noriega

$20.59

Y. Arcas - L. Arenas, Santillana

$12.14