Clara Martinez, Girasol

$27.50

Mercedez Hernandez Perez, Biosfera

$21.00

Juan J. Gutierrez, Girasol

$11.04

Francisco Avila, Saber

$12.00

M. Bermudez-t. Moscarella, Santillana

$10.62

Clara E. Martinez, Girasol Lite

$22.77

$6.00

Maria Pereira-p. Velasco, Trillas

$13.81

Mercedes Hernandez P., Biosfera

$22.10

$11.94

G. Katz - M. Katz, Mcgraw Hill

$6.00

$17.00

$8.40

Douglas Palma, Actualidad Escolar 2000

$13.00

Freddy Suarez Figueroa, Disutextos

$24.70