$6.33

Fernando Gonzalez Lucini, Estudios - Anaya

$7.00

Marilo Moreno, Actualidad Escolar 2000

$3.29

Mercedes Hernandez P., Biosfera

$19.80

G. Katz - M. Katz, Mcgraw Hill

$5.00

B. Barcena - M. Giraldez, Romor

$9.95

Diaz de Cerio, Estudios

$7.50

Sofia Smeke M., Noriega

$17.16

Juan J. Gutierrez, Girasol

$25.05

Francisco Avila, Santillana

$11.32

G. Katz - M. Katz, Mcgraw Hill

$5.00

Doris Flores - L. Davila, Larousse

$9.95

Clara Martinez, Girasol

$25.05

Henry Cedeño, Cobo

$8.00

$23.02