Elba Albujas Veliz, Biosfera

$21.00

Freddy Suarez Figueroa, Disutextos

$30.00

R. Diaz - N. Diaz, Saber

$24.00

$28.60

$7.59

Mariana Obregon, Saber

$23.00

Francisco Avila, Santillana

$31.00

Francisco Avila, Saber

$19.00

I. Brito - M. Rull, Santillana

$34.50

$11.94

Carmen Martinez, Artegra

$6.00

Maria C. Peña Juzgado, Actualidad

$26.00

Marcela Hinojosa de Coria, Trillas

$8.71

J. Pecina - R. Ma. Rosas, Larousse

$7.20

Clara Martinez, Girasol

$15.00