Alvaro Ruiz, Triangulo

$12.00

$31.88

Alvaro Ruiz, Triangulo

$16.80

Maria M. Fernandez, Triangulo

$16.80

Carmela Bentivenga, Biosfera

$19.80

Serafin Mazparrote, Biosfera

$29.04

$5.76

A. Diaz -n Rojas - Merzon, Mcgraw Hill

$12.78

Amalia Di Parsia-w.hinds, Monfort

$12.00

$6.00

C. Salas - L. Marat, Pearson

$11.94

R. Bastardo -n. Sepulveda, Romor

$6.00

Jose Martin Teixeira, Salesiana

$9.46

A. Di Parsia-w.hinds, Monfort

$7.20

Jose Luis Rada, Santillana

$22.77