C. Salas - L. Marat, Pearson

$4.80

Serafin Mazparrote, Biosfera

$15.00

Jose Luis Rada, Santillana

$15.00

A. Di Parsia - W.hinds, Monfort

$6.00

Jose Luis Rada, Santillana

$15.00

M. Luongo - F. Suarez, Romor

$5.00

Alvaro Ruiz, Ofitexto

$10.00

Amalia Di Parsia-w. Hinds, Monfort

$10.00

$4.80

R. Bastardo -n. Sepulveda, Romor

$5.00

$21.00

Serafin Mazparrote, Biosfera

$12.60

$4.80

A. Diaz -n Rojas - Merzon, Mcgraw Hill

$10.65

Juan Camacaro, Terra Editores

$13.00