Angel Diaz de Cerio, Estudios

$7.72

Mariana Obregon, Saber

$16.00

Ines Silva de Legorburu, Santillana

$9.44

G. Katz - M. Katz, Mcgraw Hill

$6.00

Maria Pereira-p. Velasco, Trillas

$12.00

$8.40

Clara E. Martinez, Girasol Lite

$22.77

Luis R. Rincon, Girasol Lite

$22.77

$6.00

Reinaldo Marin - Otros, Santillana

$11.38

Fernando Gonzalez, Estudios - Anaya

$11.94

Y. Arcas - L. Arenas, Santillana

$12.14

Yris Molina G., Monfort

$12.00

Juan J. Gutierrez, Girasol

$27.50

$6.00