$21.31

Pablo Bravo, Biosfera

$18.20

$17.00

G. Katz - M. Katz, Mcgraw Hill

$6.00

Marcela Hinojosa de Coria, Trillas

$8.71

$11.94

Yris Molina G., Monfort

$16.80

Ednodio Quintero, Planetalector

$12.00

$6.00

Yajaira Romero, Terra Editores

$21.87

Juan J. Gutierrez, Girasol

$27.50

Juan J. Gutierrez, Girasol

$27.50

$21.31

C. Navarro - M. Rull, Santillana

$20.00

Gisela Soto, Cobo

$18.00