Marcos J. Alfonso B., Santillana

$6.90

Ana Maria Maqueo, Noriega

$15.60

M. Villasmil - B. Flores, Cadena Capriles

$6.00

Diaz de Cerio, Estudios

$7.50

N. Odreman - R. Diaz, Everest

$10.00

R. Diaz - N. Diaz, Saber

$14.00

Rocio Bueno, Mcgraw Hill

$5.00

Clara Martinez, Girasol

$25.30

G. Katz - M. Katz, Mcgraw Hill

$5.00

C. Navarro - M. Rull, Santillana

$18.40

Luis R. Rincon, Girasol Lite

$17.25

Gisela Soto, Cobo

$10.00

Ines Silva de Legorburu, Santillana

$7.15

M. Bermudez-t. Moscarella, Santillana

$8.05

$19.55